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Page 1
Owner’s Operator and Maintenance Manual
DEALER: This manual MUST be given to
the user of the product.
USER: BEFORE using this product, read this
manual and save for future reference.
For more information regarding
Invacare products, parts, and services,
please visit www.invacare.com
Formula™Invisible Super
Low™Tilt
Powered Seating System
Page 2
REFERENCE DOCUMENTS
Formula™Invisible Super Low™Tilt
2
Part No 1122132
WARNING
A QUALIFIED TECHNICIAN MUST PERFORM THE INITIAL SET UP
OF THIS WHEELCHAIR. ALSO, A QUALIFIED TECHNICIAN MUST
PERFORM ALL PROCEDURES IN THE SERVICE MANUAL.
WHEELCHAIR USERS: DO NOT SERVICE OR OPERATE THIS
EQUIPMENT WITHOUT FIRST READING AND UNDERSTANDING
(1) THE OWNER’S OPERATOR AND MAINTENANCE MANUAL
AND (2) THE SEATING SYSTEM’S MANUAL (IF APPLICABLE). IF
YOU ARE UNABLE TO UNDERSTAND THE WARNINGS,
CAUTIONS, AND INSTRUCTIONS, CONTACT INVACARE
TECHNICAL SUPPORT BEFORE ATTEMPTING TO SERVICE OR
OPERATE THIS EQUIPMENT - OTHERWISE INJURY OR DAMAGE
MAY RESULT.
DEALERS AND QUALIFIED TECHNICIANS: DO NOT SERVICE OR
OPERATE THIS EQUIPMENT WITHOUT FIRST READING AND
UNDERSTANDING (1) THE OWNER’S OPERATOR AND
MAINTENANCE MANUAL, (2) THE SERVICE MANUAL (IF
APPLICABLE) AND (3) THE SEATING SYSTEM’S MANUAL (IF
APPLICABLE). IF YOU ARE UNABLE TO UNDERSTAND THE
WARNINGS, CAUTIONS AND INSTRUCTIONS, CONTACT
INVACARE TECHNICAL SUPPORT BEFORE ATTEMPTING TO
SERVICE OR OPERATE THIS EQUIPMENT - OTHERWISE, INJURY
OR DAMAGE MAY RESULT.
REFERENCE DOCUMENTS
WARNING
Refer to wheelchair base owner’s manual for additional safety and operation infor-
mation.
DOCUMENT
PART NUMBER
MK6i™Electronics Field Service Guide
1141471
MK6i Electronics Service Manual
1143203
Formula Invisible Super Low Tilt Service Manual
1141436
NOTE: Updated versions of this manual are available on www.invacare.com.
Page 3
TABLE OF CONTENTS
Part No 1122132
3
Formula™Invisible Super Low™Tilt
TABLE OF CONTENTS
REFERENCE DOCUMENTS ................................................................. 2
REGISTER YOUR PRODUCT ............................................................... 6
SPECIAL NOTES ................................................................................ 7
LABEL LOCATIONS ........................................................................... 9
TYPICAL PRODUCT PARAMETERS .................................................. 11
Formula Invisible Super Low Tilt..........................................................................................................11
SECTION 1—GENERAL GUIDELINES ................................................. 12
Repair or Service Information...............................................................................................................12
Operation Information............................................................................................................................12
Wheelchairs with Powered Seating Systems Only.......................................................................14
Electrical .....................................................................................................................................................15
Grounding Instructions.......................................................................................................................15
Batteries......................................................................................................................................................15
Charging Batteries ...............................................................................................................................15
Rain Test.....................................................................................................................................................16
Weight Training........................................................................................................................................16
Weight Limitation.....................................................................................................................................16
SECTION 2—EMI INFORMATION ..................................................... 17
SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS ......................... 19
Pinch Points................................................................................................................................................19
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING .................... 20
Safety Inspection Checklists...................................................................................................................20
Inspect/Adjust Initially.........................................................................................................................20
Inspect/Adjust Weekly........................................................................................................................20
Inspect/Adjust Monthly.......................................................................................................................21
Inspect/Adjust Periodically.................................................................................................................21
Troubleshooting........................................................................................................................................22
All Joysticks ...........................................................................................................................................22
SPJ™+ w/PSS or SPJ+ w/ACC Joysticks.........................................................................................22
MPJ™+, PSR, PSF Joysticks or Displays..........................................................................................24
Checking Battery Charge Level.............................................................................................................26
SECTION 5—WHEELCHAIR OPERATION ........................................... 27
A Note About Drive Lock-Out............................................................................................................27
Operating Powered Seating Systems...................................................................................................28
Using the Powered Seating Switch...................................................................................................29
Using the MK6i SPJ+ w/ACC Joystick.............................................................................................29
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TABLE OF CONTENTS
Formula™Invisible Super Low™Tilt
4
Part No 1122132
TABLE OF CONTENTS
Using the MPJ+, PSR or PSF Joystick...............................................................................................29
MK6i SPJ+ w/PSS and MK6i SPJ+ w/ACC Joystick Switches and Indicators...............................31
On/Off Button ......................................................................................................................................31
Speedometer.........................................................................................................................................31
Speed Control Buttons.......................................................................................................................32
Mode Button.........................................................................................................................................32
Joystick....................................................................................................................................................32
Charger/Programming Input..............................................................................................................32
Service Indicator...................................................................................................................................32
Information Gauge Display................................................................................................................33
MPJ+ Joystick Switches and Indicators ................................................................................................34
Drive Select Toggle Switch................................................................................................................34
Speed Control ......................................................................................................................................35
Joystick....................................................................................................................................................35
Charger/Programming Input..............................................................................................................35
LCD Display Screens...........................................................................................................................35
Programmable Mono Port 1/2 or External Mode Switch...........................................................38
Remote On/Off Switch.......................................................................................................................38
Mode Switch..........................................................................................................................................39
Memory Card Slot...............................................................................................................................39
Preparing the Joystick for Use...............................................................................................................39
Repositioning the Joystick.......................................................................................................................40
SECTION 6—FRONT RIGGINGS ........................................................ 41
Installing/Removing Footrests................................................................................................................41
PH904A, PHAL4A, 70° and PW93..................................................................................................41
70° Taper...............................................................................................................................................42
Footrest Height Adjustment..................................................................................................................42
PH904A and PHAL4A Front Riggings.............................................................................................42
70° and PW93.......................................................................................................................................43
70° Taper...............................................................................................................................................43
Replacing Heel Loops..............................................................................................................................44
Raising/Lowering Elevating Legrests.....................................................................................................44
Adjusting/Replacing Telescoping Front Rigging Support.................................................................45
Installing Adjustable Angle Flip-up Footplate Hinge.........................................................................46
Installing Adjustable Angle Flip-up Footplates....................................................................................46
Adjusting Adjustable Angle Flip-Up Footplates .................................................................................47
Depth Adjustment...............................................................................................................................47
Angle Adjustment ................................................................................................................................47
Perpendicular and/or Inversion/Eversion Adjustment.................................................................47
Composite/Articulating Footplate Heel Loop Replacement..........................................................48
Page 5
TABLE OF CONTENTS
Part No 1122132
5
Formula™Invisible Super Low™Tilt
TABLE OF CONTENTS
Disassembly...........................................................................................................................................48
Assembly................................................................................................................................................48
Installing/Removing Elevating Legrests.................................................................................................49
Installing..................................................................................................................................................49
Removing ...............................................................................................................................................49
Raising/Lowering Elevating Legrests and/or Adjusting Calfpads....................................................50
Raising/Lowering Elevating Legrests................................................................................................50
Adjusting Calfpads................................................................................................................................50
Removing/Installing the Center Mount Footrest ..............................................................................51
Removing ...............................................................................................................................................51
Installing..................................................................................................................................................51
Adjusting the Height of the Center Mount Footrest.......................................................................52
Adjusting the Angle of the Manual Center Mount Footrest ..........................................................53
Adjusting the Footplate Angle...............................................................................................................53
After 2/14/07.........................................................................................................................................53
Before 2/15/07......................................................................................................................................54
Adjusting the Tension of the Flip Up Footplate................................................................................54
Installing/Removing the Power Elevating Legrests............................................................................54
Installing the Power Elevating Legrests...........................................................................................55
Removing the Power Elevating Legrests.........................................................................................55
SECTION 7—ARMS ......................................................................... 56
Installing/Removing Flip Back Armrests ..............................................................................................56
Installing..................................................................................................................................................56
Removing ...............................................................................................................................................56
Adjusting Flip Back Armrests.................................................................................................................57
Positioning Flip Back Armrests for User Transfer.......................................................................57
Positioning Flip Back Armrests for Use..........................................................................................57
Adjusting ................................................................................................................................................57
SECTION 8—SEAT ........................................................................... 58
Adjusting the Back Angle........................................................................................................................58
Replacing Seat Positioning Strap ...........................................................................................................59
SECTION 9—HEADREST .................................................................. 60
Removing/Installing/Adjusting Headrest..............................................................................................60
Removing ...............................................................................................................................................60
Installing..................................................................................................................................................60
Adjusting Headrest Height.................................................................................................................61
Adjusting Headrest Depth/Direction..............................................................................................61
Replacing Headrest..................................................................................................................................61
Page 6
TABLE OF CONTENTS
Formula™Invisible Super Low™Tilt
6
Part No 1122132
TABLE OF CONTENTS
SECTION 10— HANDLING AND REPLACING BATTERIES .................. 62
Warnings for Handling and Replacing Batteries................................................................................62
Using the Proper Batteries.....................................................................................................................63
Replacing Batteries...................................................................................................................................63
Cleaning Battery Terminals....................................................................................................................66
SECTION 11—BATTERIES ................................................................ 67
Removing/Installing Front/Rear Shrouds.............................................................................................67
Removing ...............................................................................................................................................67
Installing..................................................................................................................................................68
Removing the Batteries from the Wheelchair...................................................................................69
Removing the Actuator/Mounting Bracket Assembly.................................................................69
Disconnect Battery Straps and Remove Batteries from Tray...................................................70
Installing Batteries into the Wheelchair..............................................................................................70
Connect Battery Straps and Install Batteries into Tray..............................................................70
Install Actuator/Mounting Bracket Assembly................................................................................71
SECTION 12—CHARGING BATTERIES .............................................. 73
When to Charge Batteries.....................................................................................................................73
SPJ+ Joysticks........................................................................................................................................73
MPJ+ Joystick.........................................................................................................................................73
Charging Batteries....................................................................................................................................74
Description and Use of Battery Chargers......................................................................................74
LIMITED WARRANTY ..................................................................... 76
REGISTER YOUR PRODUCT
The benefits of registering include:
1. Safeguarding your investment.
2. Ensuring long-term maintenance and servicing of your product.
3. Receiving updates with product information, maintenance tips and industry news.
Register ONLINE at warranty.invacare.com
Please have your model number and purchase date available to complete your registration.
Any registration information you submit will only be used by Invacare Corporation and protected
as required by applicable laws and regulations.
Page 7
SPECIAL NOTES
Part No 1122132
7
Formula™Invisible Super Low™Tilt
SPECIAL NOTES
Signal words are used in this manual and apply to hazards or unsafe practices which
could result in personal injury or property damage. Refer to the table below for
definitions of the signal words.
NOTICE
THE INFORMATION CONTAINED IN THIS DOCUMENT IS SUBJECT TO
CHANGE WITHOUT NOTICE.
WHEELCHAIR USER
As a manufacturer of wheelchairs, Invacare endeavors to supply a wide variety of
wheelchairs to meet many needs of the end user. However, final selection of the
type of wheelchair to be used by an individual rests solely with the user and his/her
healthcare professional capable of making such a selection. Invacare highly
recommends working with a certified rehab technology supplier and/or a member
of NRRTS or RESNA.
WHEELCHAIR TIE-DOWN RESTRAINTS AND SEAT RESTRAINTS (TRBKTS)
TRBKTS includes four factory-installed wheelchair transport brackets. TRBKTS has
not been crash-tested in accordance with WC 19. Use these transport brackets only
to secure an unoccupied wheelchair during transport.
As of this date, the Department of Transportation has not approved any tie-down
systems for transportation of a user while in a wheelchair, in a moving vehicle of any
type. It is Invacare’s position that users of wheelchairs should be transferred into
appropriate seating in vehicles for transportation and use be made of the restraints
made available by the auto industry. Invacare cannot and does not recommend any
wheelchair transportation systems.
TRBKTS WARNINGS
Only use the transport brackets included with TRBKTS for the purposes described
in the wheelchair base owner’s manual.
SIGNAL WORD
MEANING
DANGER
Danger indicates an imminently hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING
Warning indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION
Caution indicates a potentially hazardous situation which, if not avoided,
may result in property damage.
Page 8
SPECIAL NOTES
Formula™Invisible Super Low™Tilt
8
Part No 1122132
WARNING
Invacare products are specifically designed and manufactured for use in conjunction
with Invacare accessories. Accessories designed by other manufacturers have not
been tested by Invacare and are not recommended for use with Invacare products.
The seat positioning strap is a positioning belt only. It is not designed for use as a
safety device withstanding high stress loads such as auto or aircraft safety belts. If
signs of wear appear, belt MUST be replaced immediately.
To determine and establish your particular safety limits, practice use of this product
on various sloping surfaces in the presence of a qualified healthcare provider before
attempting active use of this wheelchair. Other general warnings listed within this
document also apply.
Wheelchairs should be examined during maintenance for signs of corrosion (water
exposure, incontinence, etc.). Electrical components damaged by corrosion should
be replaced IMMEDIATELY.
Wheelchairs that are used by incontinent users and/or are frequently exposed to
water may require replacement of electrical components more frequently.
Refer to wheelchair base owner’s manual for additional safety and operation
information.
POWERED SEATING SYSTEM WARNINGS
This seating system has been custom designed and will be assembled to the
wheelchair base before delivery to the user. The information contained in this
manual is for maintaining and adjusting the seating system. There are very few
adjustments that can safely be made by the user. If there is a procedure or
adjustment that needs to be performed on the seating system that is not in this
manual, DO NOT perform that procedure. Have the seating system serviced by a
qualified technician.
Page 9
LABEL LOCATIONS
Part No 1122132
9
Formula™Invisible Super Low™Tilt
LABEL LOCATIONS
NOTE: Refer to Owner’s Manual shipped with wheelchair base for additional labels located on
wheelchair base.
Refer to Service Manual to
reposition the seat - otherwise serious personal injury
and damage will result.
WARNING
P/N 1114823 Rev B - 5/10/06
Weight Capacity Label located here
Serial Number
Located HERE
NOTE: Auto style seat
positioning strap shown. This
label is also on the airline style
seat positioning strap.
Page 10
LABEL LOCATIONS
Formula™Invisible Super Low™Tilt
10
Part No 1122132
Pinch Point Label
Pinch Point
Label
P/N 1122124 Rev A - 9/03
Page 11
TYPICAL PRODUCT PARAMETERS
Part No 1122132
11
Formula™Invisible Super Low™Tilt
TYPICAL PRODUCT PARAMETERS
Formula Invisible Super Low Tilt
WARNING
If the seating system is mounted onto a power wheelchair that has a weight
limitation greater than 300 lbs, the weight limitation of the wheelchair is 300 lbs.
Example: The TDX 5 wheelchair has a 400 lb weight limitation, the seating system
has a weight limitation of 300 lbs, so the TDX 5 now has a 300 lb weight limitation.
SEAT WIDTH RANGE:
16 - 22 inches
SEAT DEPTH RANGE (1-INCH INCREMENTS):
16 - 22 inches
BACK HEIGHT RANGE:
16 - 24 inches
BACK ANGLE RANGE:
80° to 100° in 5° increments
SEAT-TO-FLOOR HEIGHT:
16.5 inches
OVERALL WIDTH OF BASE:
27 inches with TRSS
OVERALL HEIGHT:
37 - 45 inches
BACK ANGLE RANGE (ASBA):
80 - 100° in 5° increments
TILT RANGE
0° SEAT ANGLE:
5° SEAT ANGLE:
0 - 55° ± 3°
5 - 60° ± 3°
SEAT CUSHION:
Cushion (Optional)
WEIGHT OF FORMULA INVISIBLE SUPER LOW TILT
ADDITIONAL WEIGHT OVER A TDX W/ASBA SEAT AND
22NF BATTERIES:
28 lbs ± 5%
WEIGHT LIMITATION
FORMULA INVISIBLE SUPER LOW TILT:
Up to 300 lbs
NOTE: All dimensions are ± .50 inches unless otherwise indicated.
Page 12
SECTION 1—GENERAL GUIDELINES
Formula™Invisible Super Low™Tilt
12
Part No 1122132
SECTION 1—GENERAL GUIDELINES
WARNING
SECTION 1 - GENERAL GUIDELINES contains important information for the safe
operation and use of this product. DO NOT use this product or any available
optional equipment without first completely reading and understanding these
instructions and any additional instructional material such as Owner’s Manuals,
Service Manuals or Instruction Sheets supplied with this product or optional
equipment. If you are unable to understand the Warnings, Cautions or Instructions,
contact a healthcare professional, dealer or technical personnel before attempting
to use this equipment - otherwise, injury or damage may occur.
Repair or Service Information
Except for programming, DO NOT service or adjust the wheelchair while occupied,
unless otherwise noted.
A pinch point exists between walking beam/head tube cap and telescoping tube when at
the lowest seat to floor height.
Pinch point may occur when returning the tilted seat to the full upright position. Make
sure the hands and body of the occupant, attendants and bystanders are clear of all pinch
points before returning the tilted seat to the full upright position.
Before adjusting, repairing or servicing the wheelchair, ALWAYS turn the wheelchair
power Off, otherwise, injury or damage may occur.
Invacare products are specifically designed and manufactured for use in conjunctionwith
Invacare accessories. Accessories designed by other manufacturers have not been tested
by Invacare and are not recommended for use with Invacare products.
Transport ready packages are not retrofittable to existing models and are not field
serviceable.
Wheelchairs should be examined during maintenance for signs of corrosion (water
exposure, incontinence, etc.). Electrical components damaged by corrosion should be
replaced IMMEDIATELY.
Wheelchairs that are used by incontinent users and/or are frequently exposed to water
may require replacement of electrical components more frequently.
Operation Information
Performance adjustments should only be made by professionals of the healthcare field or
persons fully conversant with this process and the driver's capabilities. Incorrect settings
could cause injury to the driver, bystanders, damage to the wheelchair and to
surrounding property.
After the wheelchair has been set-up/adjusted, check to make sure that the wheelchair
performs to the specifications entered during the set-up procedure. If the wheelchair does
NOT perform to specifications, turn the wheelchair Off immediately and reenter set-up
specifications. Repeat this section until the wheelchair performs to specifications.
Page 13
SECTION 1—GENERAL GUIDELINES
Part No 1122132
13
Formula™Invisible Super Low™Tilt
DO NOT leave the power button On when entering or exiting your wheelchair.
DO NOT operate on roads, streets or highways.
DO NOT climb, go up or down ramps or traverse slopes greater than 9°.
DO NOT attempt to move up or down an incline with water, ice or oil film.
DO NOT stand on the frame of the wheelchair.
DO determine and establish your particular safety limits by practicing bending, reaching
and transferring activities in the presence of a qualified healthcare professional before
attempting active use of the wheelchair.
DO NOT attempt to reach objects if you have to move forward in your seat.
DO NOT attempt to reach objects if you have to pick them up from the floor by reaching
between your knees.
DO NOT lean over the top of the back upholstery to reach objects behind you, as this may
cause the wheelchair to tip over.
ALWAYS shift your weight in the direction you are turning. DO NOT shift your weight
in the opposite direction of the turn. Shifting your weight in the opposite direction of the
turn may cause the inside drive wheel to lose traction and the wheelchair to tip over.
DO NOT shift your weight or sitting position toward the direction you are reaching as the
wheelchair and/or seating system (if any) may tip over.
DO NOT use an escalator to move a wheelchair between floors. Serious bodily injury may
occur.
DO NOT use the footplates as a platform. When getting in or out of the wheelchair, make
sure that the footplates are in the upward position or swing footrests towards the outside
of the wheelchair.
NEVER leave an unoccupied wheelchair unattended on an incline.
DO NOT attempt to lift the wheelchair by any removable (detachable) parts. Lifting by
means of any removable (detachable) parts of the wheelchair may result in injury to the
user or damage to the wheelchair.
DO NOT overtighten hardware attaching to the frame. This could cause damage to the
frame tubing.
ALWAYS keep hands and fingers clear of moving parts to avoid injury.
ALWAYS wear your seat positioning strap. The seat positioning strap is a positioning belt
ONLY. It is not designed for use as a safety device withstanding high stress loads such as
auto or aircraft safety belts. If signs of wear appear, belt MUST be replaced immediately.
ALWAYS turn the wheelchair power Off and engage the motor locks/clutches to prevent
the wheels from moving before attempting to transfer in or out of the wheelchair. Also
make sure every precaution is taken to reduce the gap distance. Align both casters parallel
with the object you are transferring onto.
DO NOT use with a broken or missing joystick knob.
DO NOT use if joystick does not spring back to the neutral position or becomes sticky or
sluggish.
Page 14
SECTION 1—GENERAL GUIDELINES
Formula™Invisible Super Low™Tilt
14
Part No 1122132
DO NOT use if joystick boot is torn or damaged.
ALWAYS check foam grips for looseness before using the wheelchair. If loose, contact a
qualified technician for instructions.
ALWAYS engage both wheel locks and reduce the gap distance before transferring to and
from the wheelchair. Turn all casters parallel to the object you are transferring onto.
Avoid storing or using the wheelchair near open flame or combustible products. Serious
injury or damage to property may result.
Wheelchairs with Powered Seating Systems Only
Use caution when driving in a tilted position.
DO NOT operate the seating system while on an incline.
DO NOT operate the seating system while the wheelchair is moving.
NEVER operate the wheelchair while in any tilted position over 20° relative to the vertical
position. If the drive lock-out does not stop the wheelchair from operating in a tilted
position over 20° relative to vertical, DO NOT operate the wheelchair. DO NOT attempt
to adjust the drive lock-out. Have the wheelchair serviced by a qualified technician.
Use only the controls listed in Operating Powered Seating Systems on page 28 to activate
the tilt functions*. DO NOT USE any other actuator controls. Such devices may result in
excess heating and cause damage to the actuator and associated wiring and could cause
a fire, death, physical injury or property damage. If such devices are used, Invacare shall
not be liable and the limited warranty is void.
*NOTE: Specific actuator controls are noted for each function or combination throughout this
manual.
DO NOT operate tilt seat around children.
ALWAYS keep hands and feet out from underneath tilt seat - otherwise serious injury
may result.
DO NOT tip the seating system/wheelchair without assistance.
DO NOT store items under seat.
Cables must be routed and secured properly to ensure that cables DO NOT become
entangled and damaged during normal operation of seating system.
Systems equipped with power legrests only - NEVER allow items to become trapped
between the legrest assemblies. Otherwise, damage to the power legrest could occur.
Page 15
SECTION 1—GENERAL GUIDELINES
Part No 1122132
15
Formula™Invisible Super Low™Tilt
Electrical
Grounding Instructions
DO NOT, under any circumstances, cut or remove the round grounding prong from any
plug used with or for Invacare products. Some devices are equipped with three-prong
(grounding) plugs for protection against possible shock hazards. Where a two-prong wall
receptacle is encountered, it is the personal responsibility and obligation of the customer
to contact a qualified electrician and have the two-prong receptacle replaced with a
properly grounded three-prong wall receptacle in accordance with the National Electrical
Code. If you must use an extension cord, use ONLY a three-wire extension cord having
the same or higher electrical rating as the device being connected. In addition, Invacare
has placed RED/ORANGE warning tags on some equipment. DO NOT remove these tags.
Batteries
The warranty and performance specifications contained in this manual are based on the
use of deep cycle gel cell batteries. Invacare strongly recommends their use as the power
source for this unit.
Carefully read battery/battery charger information prior to installing, servicing or
operating your wheelchair.
Charging Batteries
DANGER
When using an extension cord, use only a three wire extension cord having at least
16 AWG (American Wire Gauge) wire and the same or higher electrical rating as
the device being connected. Use of improper extension cord could result in risk of
fire and electric shock. Three prong to two prong adapters should not be used. Use
of three prong adapters can result in improper grounding and present a shock haz-
ard to the user.
NEVER attempt to recharge the batteries by attaching cables directly to the battery
terminals.
DO NOT attempt to recharge the batteries and operate the wheelchair at the same time.
DO NOT operate wheelchair with extension cord attached to the AC cable.
DO NOT attempt to recharge the batteries when the wheelchair has been exposed to any
type of moisture.
DO NOT attempt to recharge the batteries when the wheelchair is outside.
DO NOT sit in the wheelchair while charging the batteries.
READ and CAREFULLY follow the manufacturer’s instructions for each charger
(supplied or purchased). If charging instructions are not supplied, consult a qualified
technician for proper procedures.
Ensure the pins of the extension cord plug are the same number, size, and shape as those
on the charger.
Page 16
SECTION 1—GENERAL GUIDELINES
Formula™Invisible Super Low™Tilt
16
Part No 1122132
DO NOT under any circumstances cut or remove the round grounding plug from the
charger AC cable plug or the extension cord plug.
Rain Test
INVACARE has tested its power wheelchairs in accordance with ISO 7176 “Rain Test”.
This provides the end user or his/her attendant sufficient time to remove his/her power
wheelchair from a rain storm and retain wheelchair operation.
DO NOT leave power wheelchair in a rain storm of any kind.
DO NOT use power wheelchair in a shower.
DO NOT leave power wheelchair in a damp area for any length of time.
Direct exposure to rain or dampness will cause the wheelchair to malfunction electrically
and mechanically; may cause the wheelchair to prematurely rust or may damage the
upholstery.
Check to ensure that the battery covers are secured in place, joystick boot is NOT torn or
cracked where water can enter and that all electrical connections are secure at all times.
DO NOT use if the joystick boot is torn or cracked. If the joystick boot becomes torn or
cracked, replace IMMEDIATELY.
Weight Training
Invacare DOES NOT recommend the use of its wheelchairs as a weight training
apparatus. Invacare wheelchairs have NOT been designed or tested as a seat for any kind
of weight training. If occupant uses said wheelchair as a weight training apparatus,
Invacare shall not be liable for bodily injury and the warranty is void.
Weight Limitation
Refer to Typical Product Parameters in this manual and the Typical Product Parameters
in the owner’s manual shipped with the wheelchair base to determine the weight limit
(total combined weight of user and any attachments) of your wheelchair model. DO NOT
exceed the limit - otherwise, injury or damage may result.
Page 17
SECTION 2—EMI INFORMATION
Part No 1122132
17
Formula™Invisible Super Low™Tilt
SECTION 2—EMI INFORMATION
WARNING
CAUTION: IT IS VERY IMPORTANT THAT YOU READ THIS INFORMATION
REGARDING THE POSSIBLE EFFECTS OF ELECTROMAGNETIC
INTERFERENCE ON YOUR POWERED WHEELCHAIR.
Electromagnetic Interference (EMI) From Radio Wave Sources
Powered wheelchairs and motorized scooters (in this text, both will be referred to
as powered wheelchairs) may be susceptible to electromagnetic interference (EMI),
which is interfering electromagnetic energy (EM) emitted from sources such as
radio stations, TV stations, amateur radio (HAM) transmitters, two way radios, and
cellular phones. The interference (from radio wave sources) can cause the powered
wheelchair to release its brakes, move by itself, or move in unintended directions. It
can also permanently damage the powered wheelchair's control system. The
intensity of the interfering EM energy can be measured in volts per metre (V/m).
Each powered wheelchair can resist EMI up to a certain intensity. This is called its
"immunity level." The higher the immunity level, the greater the protection. At this
time, current technology is capable of achieving at least a 20 V/m immunity level,
which would provide useful protection from the more common sources of radiated
EMI.
There are a number of sources of relatively intense electromagnetic fields in the
everyday environment. Some of these sources are obvious and easy to avoid.
Others are not apparent and exposure is unavoidable. However, we believe that by
following the warnings listed below, your risk to EMI will be minimized.
The sources of radiated EMI can be broadly classified into three types:
1) Hand-held Portable transceivers (transmitters-receivers with the antenna
mounted directly on the transmitting unit. Examples include: citizens band (CB)
radios, "walkie talkie", security, fire and police transceivers, cellular telephones,
and other personal communication devices).
NOTE: Some cellular telephones and similar devices transmit signals while they are ON,
even when not being used.
2) Medium-range mobile transceivers, such as those used in police cars, fire trucks,
ambulances and taxis. These usually have the antenna mounted on the outside of
the vehicle; and
3) Long-range transmitters and transceivers, such as commercial broadcast
transmitters (radio and TV broadcast antenna towers) and amateur (HAM)
radios.
NOTE: Other types of hand-held devices, such as cordless phones, laptop computers,
AM/FM radios, TV sets, CD players, cassette players, and small appliances, such as elec-
tric shavers and hair dryers, so far as we know, are not likely to cause EMI problems to
your powered wheelchair.
Page 18
SECTION 2—EMI INFORMATION
Formula™Invisible Super Low™Tilt
18
Part No 1122132
WARNING
Powered Wheelchair Electromagnetic Interference (EMI)
Because EM energy rapidly becomes more intense as one moves closer to the
transmitting antenna (source), the EM fields from hand-held radio wave sources
(transceivers) are of special concern. It is possible to unintentionally bring high
levels of EM energy very close to the powered wheelchair's control system while
using these devices. This can affect powered wheelchair movement and braking.
Therefore, the warnings listed below are recommended to prevent possible
interference with the control system of the powered wheelchair.
Electromagnetic interference (EMI) from sources such as radio and TV stations,
amateur radio (HAM) transmitters, two-way radios, and cellular phones can affect
powered wheelchairs and motorized scooters. Also, the electronics used in our
powered wheelchair can generate a low level of electromagnetic interference,
which however will remain within the tolerances permitted by law.
FOLLOWING THE WARNINGS LISTED BELOW SHOULD REDUCE THE
CHANCE OF UNINTENDED BRAKE RELEASE OR POWERED WHEELCHAIR
MOVEMENT WHICH COULD RESULT IN SERIOUS INJURY.
1) Do not operate hand-held transceivers (transmitters receivers), such as citizens
band (CB) radios, or turn ON personal communication devices, such as cellular
phones, while the powered wheelchair is turned ON;
2) Be aware of nearby transmitters, such as radio or TV stations, and try to avoid
coming close to them;
3) If unintended movement or brake release occurs, turn the powered wheelchair
OFF as soon as it is safe;
4) Be aware that adding accessories or components, or modifying the powered
wheelchair, may make it more susceptible to EMI (NOTE: There is no easy way
to evaluate their effect on the overall immunity of the powered wheelchair); and
5) Report all incidents of unintended movement or brake release to the powered
wheelchair manufacturer, and note whether there is a source of EMI nearby.
Important Information
1) 20 volts per meter (V/m) is a generally achievable and useful immunity level
against EMI (as of May 1994) (the higher the level, the greater the protection);
2) This device has been tested to a radiated immunity level of 20 volts per meter.
3) The immunity level of the product is unknown.
Modification of any kind to the electronics of this wheelchair as manufactured by
Invacare may adversely affect the EMI immunity levels.
Page 19
SECTION 3—SAFETY/HANDLING OF WHEELCHAIRS
Part No 1122132
19
Formula™Invisible Super Low™Tilt
SECTION 3—SAFETY/HANDLING OF
WHEELCHAIRS
NOTE: For more information about safety/handling of the wheelchair, refer to the owner’s manual
that shipped with the wheelchair base.
Pinch Points
WARNING
A pinch point exists between head tube cap and walking beam.
A pinch point exists between walking beam/head tube cap and telescoping tube
when the seat is in the lowest seat to floor height.
Pinch point may occur when returning the tilted seat to the full upright position.
Make sure the hands and body of the occupant, attendants and bystanders are clear
of all pinch points before lowering seat or returning the tilted seat to the full upright
position.
NOTE: For this procedure, refer to FIGURE 3.1.
FIGURE 3.1 Pinch Points
Pinch Point
Headtube Cap
Front
Caster
Telescoping Tube
Walking
Beam
Walking Beam
Headtube Cap
(Not Shown)
Front Caster
Page 20
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Formula™Invisible Super Low™Tilt
20
Part No 1122132
SECTION 4—SAFETY INSPECTION/
TROUBLESHOOTING
NOTE: Every six months take your wheelchair to a qualified technician for a thorough inspection
and servicing. Regular cleaning will reveal loose or worn parts and enhance the smooth operation
of your wheelchair. To operate properly and safely, your wheelchair must be cared for just like any
other vehicle. Routine maintenance will extend the life and efficiency of your wheelchair.
NOTE: Refer to wheelchair base owner’s manual for additional safety inspection and
troubleshooting information.
Initial adjustments should be made to suit your personal body structure needs and
preference. Thereafter follow these maintenance procedures and those in the owner’s
manual shipped with the wheelchair base:
Safety Inspection Checklists
Inspect/Adjust Initially
CAUTION
As with any vehicle, the wheels and tires should be checked periodically for cracks
and wear, and should be replaced.
❑ Inspect all fasteners.
❑ Inspect TRBKTS fasteners and hardware.
❑ Ensure clothing guards are secure.
❑ Arms are secure but easy to release and adjustment levers engage properly.
❑ Adjustable height arms operate and lock securely.
❑ Upholstery has no rips.
❑ Armrest pad sits flush against arm tube.
❑ Check that all labels are present and legible. Replace if necessary.
❑ Make sure all electrical connections are secure.
❑ Check that cables are routed and secured properly to ensure that cables DO NOT
become entangled and damaged during normal operation of seating system.
❑ Make sure drive lock-out operates properly.
❑ Make sure tilt operates smoothly and properly.
Inspect/Adjust Weekly
❑ Inspect all fasteners.
❑ Inspect TRBKTS fasteners and hardware.
Page 21
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Part No 1122132
21
Formula™Invisible Super Low™Tilt
❑ Make sure all electrical connections are secure.
❑ Check that cables are routed and secured properly to ensure that cables do NOT
become entangled and damaged during normal operation of seating system.
Inspect/Adjust Monthly
❑ Clean upholstery and armrests.
❑ Clean dirt and lint from axles.
❑ Clean dirt and lint from bearings.
❑ Inspect seat positioning strap for any signs of wear. Ensure buckle latches. Verify
hardware that attaches strap to frame is secure and undamaged. Replace if necessary.
❑ Make sure drive lock-out operates properly.
❑ Make sure tilt operates smoothly and properly.
Inspect/Adjust Periodically
❑ Inspect all fasteners.
❑ Inspect TRBKTS fasteners and hardware.
❑ Ensure clothing guards are secure.
❑ Arms are secure but easy to release and adjustment levers engage properly.
❑ Adjustable height arms operate and lock securely.
❑ Upholstery has no rips.
❑ Armrest pad sits flush against arm tube.
❑ Inspect foam handgrips for damage. If damaged, have them replaced by a qualified
technician.
❑ Check that all labels are present and legible. Replace if necessary.
❑ Inspect electrical components for signs of corrosion. Replace if corroded or damaged.
❑ Make sure tilt mechanism and tilt tracks are clean.
❑ Check limit switch position.
Page 22
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Formula™Invisible Super Low™Tilt
22
Part No 1122132
Troubleshooting
NOTE: For additional troubleshooting information and explanation of error codes, refer to the
wheelchair base owner’s manual and the individual Electronics Manual supplied with each
wheelchair.
All Joysticks
SPJ™+ w/PSS or SPJ+ w/ACC Joysticks
The joystick information gauge and the service indicator give indications of the type of
fault or error detected by the control module. When a fault is detected, the wheelchair
may stop and not drive. The LEDs on the information gauge may flash in a particular
pattern or the service indicator light will flash. The number or type of flashes indicates the
nature of the error. If multiple errors are found, only the first error encountered by the
control module will be displayed.
SYMPTOM
PROBABLE CAUSE
SOLUTIONS
Wheelchair Power On
but does not drive.
System tilted or reclined
beyond drive lock-out
angle (20°).
Motor lock levers are
disengaged.
Return to neutral position (upright and completely low-
ered). Refer to Operating Powered Seating Systems on
page 28.
Contact Invacare/Dealer for service if this does not solve
the problem.
Engage motor lock levers. See wheelchair base owner’s
manual.
Seating system not func-
tioning or working inter-
mittently.
Low batteries.
Faulty electrical connec-
tion.
Seat has been driven
under a heavy load for an
extended period of time.
Charge batteries.
Check all connections.
Allow time for the electronics to cool down (Light Duty
Use).
Page 23
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Part No 1122132
23
Formula™Invisible Super Low™Tilt
Information Gauge Display Diagnostics
DISPLAY
DESCRIPTION
DEFINITION
COMMENTS
All LEDs are off.
Power is off.
All LEDs are on.
Power is on.
Fewer than three LEDs on
implies reduced battery
charge.
Left RED LED is flashing.
Battery charge is low.
The batteries should be
charged as soon as possi-
ble.
Left to Right “chase” alter-
nating with steady display.
Joystick is in program-
ming, inhibit and/or charg-
ing mode.
The steady LEDs indicate
the current state of the
battery charge.
All LEDs are flashing slowly. Joystick has detected Out-
of-Neutral-at-Power-Up
mode.
Release the joystick back
to Neutral.
Information
Gauge
Display
Page 24
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Formula™Invisible Super Low™Tilt
24
Part No 1122132
Service Indicator Light Diagnostics
MPJ™+, PSR, PSF Joysticks or Displays
NUMBER
OF
FLASHES
ERROR CODE
DESCRIPTION
POSSIBLE SOLUTION
1
User Fault
Release joystick to neutral and try again.
2
Battery Fault
Charge the batteries.
Check that battery cables are connected properly.
If necessary, replace batteries.
3
Left Motor Fault
Contact Invacare/Dealer for service.
4
Right Motor Fault
Contact Invacare/Dealer for service.
5
Left Park Brake Fault
Contact Invacare/Dealer for service.
6
Right Park Brake Fault
Contact Invacare/Dealer for service.
7
Remote Fault
Check to make sure joystick is connected properly.
Contact Invacare/Dealer for service.
8
Controller Fault
Contact Invacare/Dealer for service.
9
Communications Fault
Contact Invacare/Dealer for service.
10
General Fault
Contact Invacare/Dealer for service.
11
Incompatible or incorrect
Remote
Wrong type of remote connected. Contact Invacare/Dealer
for service.
SYMPTOM
PROBABLE CAUSE
SOLUTIONS
SPM L Park Brake Fault or
SPM R Park Brake Fault displays
and wheelchair does not drive.
Motor lock levers disengaged
(Error code E9 or E10).
Engage motor lock levers.
CHARGER PLUGGED IN displays.
Battery charger connected
(Error code E28).
Unplug battery charger from the
wheelchair.Refer to Charging Batteries
on page 73.
SPM Battery Fault displays and the
wheelchair does not drive.
Batteries need to be charged
(Error code E14).
Charge batteries. Refer to Charging
Batteries on page 73.If batteries fail to
charge properly, check battery charger
or replace batteries.Refer to Batteries
on page 67.
JOYSTICK TIMEOUT displays and
the wheelchair does not drive.
Joystick or input device is
disconnected (Error code 32).
Turn off power, reconnect the joystick
of input device and turn power on.
JS REV TOO LARGE
JS FWD TOO LARGE
JS LFT TOO LARGE or
JS RGT TOO LARGE
displays and the wheelchair does not
drive.
The joystick or input device is
sending a value outside of the
reverse, forward, left or right
limits (Error codes E01, E02,
E03 or E04).
Replace joystick or input device.
Page 25
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Part No 1122132
25
Formula™Invisible Super Low™Tilt
NEUTRAL TESTING displays.
The joystick neutral test has
failed (Error code E18).
Release the joystick and try to get the
joystick back into the center-most
position.
BAD JOYSTICK CAL VALUES
displays and the wheelchair does not
drive.
The joystick calibration values
are outside of the expected
range (Error code E19).
Contact Dealer/Invacare for
recalibration of the joystick (joystick
throw procedure).
SPM NOT CONNECTED
The MPJ or Display module is
not communicating with the
control module (Error code
E200).
Check the connections between the
joystick or display and the controller.
Turn the power off and then back on.
Replace the controller if necessary.
SPM Communications Fault
displays and the wheelchair drives
slowly.
The controller has determined a
fault during a previous turn-off
process (Error code E41).
Turn the wheelchair off and back on.
ATTENDANT ACTIVE and
displays.
The Proportional or Digital
Attendant control is active and
can be used to drive the chair
(Error code W05).
This is normal behavior.
Batteries draw excessive current
when charging.
Battery failure.
Electrical malfunction.
Have batteries checked for shorted cell.
Replace if necessary.
Contact Dealer/Invacare for service.
Battery indicator flashes the charge
level is low - immediately after
recharge.
Battery failure.
Malfunctioning battery charger.
Electrical malfunction.
Check batteries for shorted cell.
Replace if necessary.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Battery indicator flashes the charge
level is low - too soon after being
recharged.
Batteries not charged.
Weak batteries.
Have charger checked.
Replace batteries if necessary. Refer to
Batteries on page 67.
Motor “chatters” or runs irregular.
Electrical malfunction.
Contact Dealer/Invacare for Service.
Joystick erratic or does not respond
as desired.
Damaged motor coupling.
Electrical malfunction.
Controller programmed
improperly.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare to have
controller reprogrammed.
Wheelchair does not respond to
commands.
Poor battery terminal
connection.
Have terminals cleaned.
Power indicator off - even after
recharging.
Electrical malfunction.
Contact Dealer/Invacare for Service.
SYMPTOM
PROBABLE CAUSE
SOLUTIONS
Page 26
SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Formula™Invisible Super Low™Tilt
26
Part No 1122132
Checking Battery Charge Level
The following “Do’s” and “Don’ts” are provided for your convenience and safety.
DON’T
DO
Don’t perform any installation or maintenance
without first reading this manual.
Read and understand this manual and any service informa-
tion that accompanies a battery and charger before operat-
ing the wheelchair.
Don’t perform installation or maintenance of bat-
teries in an area that could be damaged by bat-
tery spills.
Move the wheelchair to a work area before cleaning termi-
nals, or opening battery box.
Don’t make it a habit to discharge batteries to
the lowest level.
Recharge as frequently as possible to maintain a high charge
level and extend battery life.
Don’t use randomly chosen batteries or chargers.
Follow recommendations in this manual when selecting a
battery or charger.
Don’t put new batteries into service before
charging.
Fully charge a new battery before using.
Don’t tip or tilt batteries.
Use a carrying strap to remove, move or install a battery.
Don’t tap on clamps and terminals with tools.
Push battery clamps on the terminals. Spread clamps wider if
necessary.
Don’t mismatch your battery and chargers.
Use ONLY a GEL charger for a GEL battery.
Page 27
SECTION 5—WHEELCHAIR OPERATION
Part No 1122132
27
Formula™Invisible Super Low™Tilt
SECTION 5—WHEELCHAIR
OPERATION
WARNING
After ANY adjustments, repair or service and BEFORE use, make sure that all
attaching hardware is tightened securely - otherwise injury or damage may result.
Set-up of the Electronic Control Unit is to be performed only by a qualified
technician. The final adjustments of the controller may affect other activities of the
wheelchair. Damage to the equipment could occur under these circumstances.
A Note About Drive Lock-Out
WARNING
NEVER operate the wheelchair while the back is in any tilted/back angle position
over 20° relative to the vertical position. If the drive lock-out does not stop the
wheelchair from operating in a tilt/back angle position over 20° relative to the
vertical position, DO NOT operate the wheelchair. DO NOT attempt to adjust the
drive lock-out. Have the wheelchair serviced by a qualified technician.
The wheelchair user MUST have a clear line of sight to drive safely. On initial chair
delivery and after adjusting the back angle, drive lock-out switch or tilt system, tilt
the seat back to the farthest driving position immediately before drive lock-out
engages and ensure there is a clear line of sight present in which to drive the
wheelchair. If a clear line of sight is not present, have the back angle repositioned or
readjust the lockout angle such that safe driving with a clear line of sight is achieved.
Otherwise injury or damage may occur.
One of the following will occur when the drive lock-out feature has been activated:
• MPJ+ Joysticks Only -
TILT WARNING or
SPM Inhibited displays on the
joystick or display unit.
• SPJ+ Joysticks Only - Left to right chase alternating with a steady display.
Drive lock-out is a feature designed to prevent the wheelchair from being driven after the
seating system has been tilted beyond 20°* relative to the vertical position. The back can
be positioned at a 10° relative offset to the seat base, thereby resulting in a back angle
potential of 30° before which the drive lock-out is activated. This may affect the
wheelchair user’s line of sight while driving. Make sure the wheelchair user can see
properly to ensure safe driving.
*NOTE: 20° back angle can be any combination of tilt, back angle and/or surface angle.
NOTE: Refer to Typical Product Parameters on page 11 for tilt angle ranges.
Page 28
SECTION 5—WHEELCHAIR OPERATION
Formula™Invisible Super Low™Tilt
28
Part No 1122132
Operating Powered Seating Systems
GENERAL WARNINGS
Refer to A Note About Drive Lock-Out on page 27 BEFORE performing this
procedure.
Pinch points may occur when returning the seat from any tilted position to the full
upright position. Make sure the hands and body of both the occupant and
attendants/bystanders are clear of all pinch points before returning the seat to the
full upright position.
NEVER operate the wheelchair while the back is in any tilted/back angle position
over 20° relative to the vertical position. If the drive lock-out does not stop the
wheelchair from operating in a tilt/back angle position over 20° relative to the
vertical position, DO NOT operate the wheelchair. DO NOT attempt to adjust the
drive lock-out. Have the wheelchair serviced by a qualified technician.
Use caution when driving in a tilted position.
DO NOT operate the seating system while on an incline.
DO NOT operate seating system while the wheelchair is moving.
DO NOT operate the tilt function near or under a fixed object such as a table or
desk.
ACTUATOR CONTROL WARNING
Use only the actuator controls listed in the following chart to activate the tilt/
recline/elevate functions. DO NOT USE any other actuator controls. Such devices
may result in excess heating and cause damage to the actuator and associated
wiring and could cause a fire, death, physical injury or property damage. If such
devices are used, Invacare shall not be liable and the limited warranty is void.
SYSTEM TYPE
JOYSTICK
POWERED SEATING CONTROL
4 POLE MOTOR
SWITCH OPTION
THROUGH THE
JOYSTICK (TTJ)
Single Actuator (Tilt Only)
MK6i SPJ+ w/PSS
Powered Seating
Switch
No
MK6i SPJ+ w/ACC
Yes
MPJ+
Yes with SANODE
Page 29
SECTION 5—WHEELCHAIR OPERATION
Part No 1122132
29
Formula™Invisible Super Low™Tilt
Using the Powered Seating Switch
NOTE: The powered seating switch can be used with all joysticks.
NOTE: The powered seating switch will alternate functions (increase tilt angle, decrease tilt angle)
after it has been released for a minimum of three seconds.
1. Make sure the wheelchair is on a level surface.
2. Press the powered seating switch once to activate the actuator.
3. Press the powered seating switch again (after at least 3 seconds) to activate the
actuator in the opposite direction.
Using the MK6i SPJ+ w/ACC Joystick
NOTE: For this procedure, refer to FIGURE 5.2 on page 31.
1. Make sure the wheelchair is on a level surface.
2. Press the mode button to switch from driving mode to tilt mode.
NOTE: The LED will light up with a circle around it.
3. Move the joystick:
• Forward - Tilts the seat back.
• Backward - Tilts the seat upright.
Using the MPJ+, PSR or PSF Joystick
NOTE: For this procedure, refer to FIGURE 5.1 on page 30.
1. Make sure the wheelchair is on a level surface.
2. Select a drive that has the Actuator Control Switch Mode icon
displayed.
3. Select the Actuator Control Switch Mode icon (Detail “A”).
4. Four of the following icons will display when Actuator Control Switch Mode is
selected:
NOTE: The location of the icons indicates the joystick direction or quadrant (Detail “B”).
ICON
DESCRIPTION
Conventional Tilt Operations
Combined Power Leg Operations
Right Leg Operations
Left Leg Operations
No powered seating operation has been programmed for this quadrant.
NOTE: The three icons indicate up/down, up or down, respectively.
Page 30
SECTION 5—WHEELCHAIR OPERATION
Formula™Invisible Super Low™Tilt
30
Part No 1122132
5. Select the desired operation using the joystick or an equivalent switch.
NOTE: While operating the powered seating system, the selected icon will display on the screen
along with text indicating the current operation (Detail “C”).
FIGURE 5.1 Using the MPJ+, PSR or PSF Joystick
Operation
Icons
Tilt Down Icon
(Move the joystick
right to use this
function)
DETAIL “B” -
ACTUATOR
CONTROL SWITCH
MODE EXAMPLE
SCREEN
DETAIL “C” -
EXAMPLE SCREEN
DURING POWERED
SEATING
OPERATION
Text
Icon
Mode Icons
Actuator Control Switch Mode Icon
DETAIL “A” -
SELECTING THE
ACTUATOR
CONTROL SWITCH
MODE
Page 31
SECTION 5—WHEELCHAIR OPERATION
Part No 1122132
31
Formula™Invisible Super Low™Tilt
MK6i SPJ+ w/PSS and MK6i SPJ+ w/ACC Joystick
Switches and Indicators
NOTE: For the following information, refer to FIGURE 5.2.
FIGURE 5.2 MK6i SPJ+ w/PSS and MK6i SPJ+ w/ACC Joystick Switches and Indicators
On/Off Button
This button is located at the front of the joystick housing. It is used to turn the wheelchair
on and off, to remove the joystick from sleep mode (if programmed) and to lock or unlock
the joystick (if programmed).
Speedometer
The speedometer is used to show the maximum speed. The right-most LED indicates
current maximum speed setting. The bottom left GREEN LED flashes to indicate that the
joystick is in speed limit mode. Speed limit mode limits the drive speed to a pre-
programmed value, typically when the seat has been elevated and the wheelchair is
required to drive at 20% speed.
On/Off
Button
DETAIL “A” -
FRONT VIEW
Charger/
Programming
Input
Speedometer
Joystick
GREEN
LED
Information
Gauge
Display
Service Indicator
Decrease
Speed Button
(Tortoise)
Increase
Speed Button
(Hare)
Mode Button*
Additional
Input for
Powered
Seating
Switch
Not Active
Page 32
SECTION 5—WHEELCHAIR OPERATION
Formula™Invisible Super Low™Tilt
32
Part No 1122132
Speed Control Buttons
The speed control buttons (tortoise button (
) and hare button (
)) are used to set and
adjust the maximum speed.
1. To adjust the speed, perform one of the following:
• Adjust Speed in 20% Increments (5 Speed Mode) - Press the tortoise button (
)
or hare button (
) to decrease/increase the speed in 20% increments. The larger
bars in the speedometer will light.
• Adjust Speed in Smaller Increments (VSP Mode) - Perform the following steps:
i. Press and hold both the tortoise button (
) and hare button (
) until the
joystick beeps.
ii. Perform one of the following:
• Press the tortoise button (
) or hare button (
) to decrease/increase the
speed in 20% increments. The larger bars in the speedometer will light.
• Press and hold the tortoise button (
) or hare button (
) to decrease/
increase the speed in smaller increments. The smaller bars in the
speedometer will light.
Mode Button
Press the mode button to switch from driving mode to tilting mode.Refer to Operating
Powered Seating Systems on page 28 totilt the seat.
Joystick
The joystick has proportional drive control, meaning that the further the joystick is
pushed from the upright (neutral) position, the faster the wheelchair or seat moves. Your
top speed, however, is limited by the programmed settings.
To slow the wheelchair to a stop, simply release the joystick. The wheelchair has
automatic speed and direction compensation to minimize corrections.
Charger/Programming Input
The charger/programming input is located at the front of the joystick housing. This
provides easy access for charging the wheelchair batteries. This port also serves as the
Remote Programmer Communication connection. Driving is prevented while the system
is charging.
Service Indicator
The AMBER service indicator will light when an error or fault occurs.Refer to Service
Indicator Light Diagnostics on page 23 for a listing of the flash codes and what they
indicate.
Page 33
SECTION 5—WHEELCHAIR OPERATION
Part No 1122132
33
Formula™Invisible Super Low™Tilt
Information Gauge Display
The information gauge display is located on the front of the joystick housing and provides
the following information to the user on the status of the wheelchair:
1. Power is on.
2. True state-of-battery-charge, including notification of when the battery requires
charging:
A. GREEN LEDs are lit, indicating well charged batteries.
B. AMBER LEDs are lit, indicating batteries are moderately charged. Recharge
batteries before taking a long trip.
C. RED LEDs are lit, indicating batteries are running out of charge. Recharge batteries
as soon as possible.
The Information Gauge display also serves as a system diagnostic device when a fault is
detected by the control module. A specific number of flashes of the LEDs indicate the type
of fault detected. Refer to Information Gauge Display Diagnostics on page 22in
Troubleshooting for the diagnostic indications of the wheelchair status.
Page 34
SECTION 5—WHEELCHAIR OPERATION
Formula™Invisible Super Low™Tilt
34
Part No 1122132
MPJ+ Joystick Switches and Indicators
NOTE: For this procedure, refer to FIGURE 5.3.
Drive Select Toggle Switch
The drive select toggle switch is located on the left side, below the LCD. The drive select
position is momentary, meaning that it will return to the neutral position after a selection
is made.
This switch allows the operator to select the type of operation or performance which best
suits a particular control need or situation. The DRIVE 1 program uses performance
values which are independent of those used for the DRIVE 2 or 3 or 4 program. As an
example, an operator may have a control need for spasticity in the morning and a very
different need in the afternoon. DRIVE 1 can be programmed for higher speeds and
quicker response while DRIVE 2 can be programmed for slower speeds and less
responsiveness or vise versa. The other two drive programs could be indoor and outdoor
versions of DRIVE 1 and DRIVE 2.
Selecting the Drive Mode
1. Move the toggle up and release. DRIVE 1 ( ) will appear on LCD.
2. Move the toggle up and release again. DRIVE 2 (
) will appear on LCD.
3. Move the toggle up and release again. DRIVE 3 (
) will appear on LCD.
4. Move the toggle up and release again. DRIVE 4 (
) will appear on LCD.
5. Move the toggle up and release one more time to select DRIVE 1 ( ).
FIGURE 5.3 MPJ+ Joystick Switches and Indicators
Joystick
Remote
On/Off
Input
Programmable
Mono Port 1/2 or
External Mode
Switch
To Controller
Drive Select Toggle Switch
LCD Display
Speed Control Knob
Charger/Programming Input
(Front of Joystick)
Memory Card Slot
Mode Switch
Page 35
SECTION 5—WHEELCHAIR OPERATION
Part No 1122132
35
Formula™Invisible Super Low™Tilt
Speed Control
The speed control knob is located on the side of the joystick housing.
1. Rotate the knob clockwise (forward) to increase the speed of the wheelchair to the
programmed max speed.
2. Rotate the knob counterclockwise (backward) to decrease the speed of the wheelchair
to the programmed max speed.
Joystick
The joystick has proportional drive control, meaning that the further the joystick is
pushed from the upright (neutral) position, the faster the wheelchair or seat moves. Your
top speed, however, is limited by the programmed settings.
To slow the wheelchair to a stop, simply release the joystick. The wheelchair has
automatic speed and direction compensation to minimize corrections.
Charger/Programming Input
The charger/programming input is located at the front of the joystick housing. This
provides easy access for charging the wheelchair batteries. This port also serves as the
Remote Programmer Communication connection. Driving is prevented while the system
is charging.
LCD Display Screens
The LCD Display is located in front of the joystick and provides information on the status
of the wheelchair through a backlit display. The LCD display is readable in both bright
sunlight and complete darkness.
Splash Screen
NOTE: For this procedure, refer to
FIGURE 5.4.
This screen is displayed at startup of the
joystick for about 2 seconds. This screen
displays the software version and date
information.
After this screen, the joystick displays the
Main Screen.
FIGURE 5.4 LCD Display Screens - Splash
Screen
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Part No 1122132
Main Screen
NOTE: For this information, refer to FIGURE 5.5 on page 37.
During normal operation, the active drive is displayed in the upper half of the LCD
display. Battery charge level is shown in the Battery Gauge Display (BGD) located on the
right side of the LCD display. At full charge, solid blocks fill in all ten segments between
E (Empty) and F (Full). As the battery becomes discharged, the top most segments will
progressively disappear until no segments appear between E and F. At this level, the user
should charge the batteries as soon as possible.
The lower half of the LCD display is the Information Center. The Information Center
displays current data on the wheelchair.
Refer to LCD Displaytable on page 36 for descriptions of information shown.
LCD DISPLAY
ITEM
DESCRIPTION
DRIVE NAME
This field shows the currently selected Drive’s Name.
Available choices are as follows:
Drive 1*
Drive 2*
Drive 3*
Drive 4*
“No Drive” selected via the programmer.
*NOTE: Drive names can be customized. Actual drive names may display differently.
BATTERY LEVEL
INDICATOR
This symbol shows the Battery Level and will change depending on the available
battery power.
This indicator is shown on every screen.
STATUS MESSAGE
This area displays status or instructions.
STATUS INDICATOR
The status indicator will show a “Warning” (exclamation point inside a triangle)
indicator when the chair has a condition that requires attention.
The status indicator will show a “STOP” sign when a serious condition exists. The
chair will not be allowed to operate.
The status indicator shows an Attendant Icon if the attendant’s override switch is
active.
MODES
The dotted-box shows the area that contains the available “modes” in the cur-
rently selected drive. The modes are programmed for each drive and are based
upon the configuration of the chair.
These modes are highlighted when the Mode is active. The operator changes
modes by pressing the Mode Select Switch.
The available modes are as follows:
Drive Mode (1 through 4)
Automatic Positioning
Actuator Control Switch Mode (4-switch, 4-switch 2 levels, etc.)
ECU Output Activated (1 through 4)
RIM Mode Activated
Drive Select Mode Activated
No Driving
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Formula™Invisible Super Low™Tilt
FIGURE 5.5 LCD Display Screens- Main Screen
Driving Screen
NOTE: For this procedure, refer to
FIGURE 5.6.
This screen is shown when the operator
issues adrive command and the Drive Icon
on the main screen was highlighted.
NOTE: The Drive’s name, warning/info
message, status icon and battery indicator are
displayed on this screen.
FIGURE 5.6 LCD Display Screens - Driving
Screen
Connected Devices Screen
NOTE: For this procedure, refer to FIGURE 5.7 on page 38.
This screen is displayed if the Mode Select switch is held active for about 10 seconds. This
screen shows an icon that represents any additional devices that are connected to the
chair.
Available Modes in
this Drive (Must be
Programmed)
ECU
Drive Indicator
Icon appears when a
joystick command
will drive the
wheelchair
Battery Gauge Display
Status/Info
Message Area
Status
Indicator
Drive Profile Name
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SECTION 5—WHEELCHAIR OPERATION
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Part No 1122132
FIGURE 5.7 LCD Display Screens- Connected Devices Screen
Programmable Mono Port 1/2 or External Mode Switch
The programmable mono port or external mode switch input is located at the rear of the
joystick on the left side. The programmable mono port input offers the choice of three
options:
• Remote drive select
• Remote stop/mode (reset) input
• Single actuator input
The single switch functions operate through mono port 1. An optional y-cable allows a
second programmable function through mono port 2.
Remote Stop Switch
The remote stop switch is used to stop the wheelchair.
Remote Mode (Reset) Switch
The remote mode reset switch functions the same way as the mode switch.Refer to Mode
Switch on page 39.
Remote On/Off Switch
The remote On/Off switch input is located at the rear of the joystick on the right side and
allows the power switch to be operated by an ability switch (normally open momentary
switch with mono plug). To use the remote On/Off feature, the Drive Select/On/Off switch
must be in the On position. Each activation of the ability switch will alternately turn the
joystick On or Off.
ICON
DESCRIPTION
4-Switch Attendant Control
RIM Control
ECU (1 to 4)
Proportional Attendant Control
Compact Joystick
Sip and Puff Control
ASL Digital Control
ASL Analog Control
Shark Power Module Actuator
Page 39
SECTION 5—WHEELCHAIR OPERATION
Part No 1122132
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Formula™Invisible Super Low™Tilt
Mode Switch
NOTE: For this procedure, refer to FIGURE 5.3 on page 34.
The mode switch is used to select the operating mode for the wheelchair. The mode
switch is located on the joystick. A mode switch is needed whenever any of the following
operating modes are programmed:
• Environmental Controls (ECU 1, ECU 2, ECU 3, ECU 4)*
• 3 Speed Mode in Digital 3 Speed (Slow, Medium, Full)
• Latched Modes
• Sleep Mode
• RIM Mode*
• Remote Drive Selection Mode*
• Tilt/Recline Mode*
• Information Center Display Selection (does not require Reset activation at power up)
If any of the above modes are selected, the control will require activation of the switch
immediately after the power switch is turned On in order to enter the drive mode. The
second line of the LCD will display - PRESS RESET.
*NOTE: In these modes, Standby Select allows the reset switch to be bypassed for users unable to
activate the switch.
Memory Card Slot
The memory card slot is used with the basic or professional memory card for saving or
reading wheelchair parameters.
Preparing the Joystick for Use
NOTE: For this procedure, refer to FIGURE 5.8 on page 40.
NOTE: The joystick is factory installed on the rightside of the wheelchair. To reposition the joystick
onto the left side of the wheelchair, refer to Repositioning the Joystick on page 40.
1. Turn the adjustment lock lever to release the adjustment lock from joystick mounting
tube.
2. Slide joystick mounting tube to the desired position.
3. Turn the adjustment lock lever to secure the adjustment lock to the joystick mounting
tube.
Page 40
SECTION 5—WHEELCHAIR OPERATION
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Part No 1122132
FIGURE 5.8 Preparing the Joystick for Use
Repositioning the Joystick
NOTE: For this procedure, refer to FIGURE 5.9.
1. Turn the adjustment lock lever to
release the joystick mounting tube from
the mounting bracket.
2. Remove the joystick from the wheelchair.
3. Remove the three hex screws that
secure both halves of the mounting
bracket to the arm tube.
4. Reposition mounting bracket on
opposite arm tube ensuring the
threaded plate of the mounting bracket
is on the inside of the arm tube as
shown inFIGURE 5.9.
FIGURE 5.9 Repositioning the Joystick
5. Using the three hex mounting screws and washers, secure both halves of the mounting
bracket to the arm tube.
6. Slide the joystick mounting tube through the mounting bracket to the desired position.
7. Turn the adjustment lock lever to secure the joystick mounting tube into the mounting
bracket.
NOTE: Joystick not shown.
Joystick Mounting
Tube
Adjustment
Lock Lever
Washers
Hex
Mounting
Screws
Mounting
Bracket
Adjustment
Lock Lever
Joystick
Mounting
Tube
Mounting Bracket
(Threaded Plate)
Arm
Tube
NOTE:
Joystick
not
shown.
Page 41
SECTION 6—FRONT RIGGINGS
Part No 1122132
41
Formula™Invisible Super Low™Tilt
SECTION 6—FRONT RIGGINGS
WARNING
After ANY adjustments, repair or service and BEFORE use, make sure that all
attaching hardware is tightened securely - otherwise injury or damage may result.
For the following procedures, make sure the On/Off switch on the joystick is in the
OFF position.
DO NOT stand on the flip-up footboard. When getting in or out of the wheelchair,
make sure that the flip-up footboard is in the upward position.
PINCH POINT EXISTS BETWEEN CENTER MOUNT FOOTREST AND
CASTERS - There is limited clearance between center mount footrest and casters.
The user’s feet MUST remain on the center mount footrest while operating the
wheelchair. If the user’s feet are allowed to rest off the side of the center mount
footrest they may come in contact with the caster possibly resulting in injury.
While the wheelchair is moving, minimum ground clearance for the front rigging is
three inches. If the wheelchair is not moving, the front rigging MUST maintain a
minimum of one inch ground clearance - otherwise personal injury and damage may
result.
Installing/Removing Footrests
PH904A, PHAL4A, 70° and PW93
NOTE: For this procedure, refer to
FIGURE 6.1.
1. Turn the footrest to the side (open
footplate is perpendicular to
wheelchair).
2. Install the hinge plates on the footrest
onto the hinge pins on the wheelchair
frame.
3. Push the footrest towards the inside of
the wheelchair until it locks into place.
NOTE: The footplate will be on the inside of the
wheelchair when locked in place.
FIGURE 6.1 Installing/Removing Footrests-
Ph904A, Phal4A, 70° and pw93
4. Repeat STEPS 1-3 for other footrest assembly.
5. To remove the footrest, push the footrest release lever inward, rotate footrest outward.
6. Adjust footrest height, if desired. Refer to Footrest Height Adjustment on page 42.
Footrest Release
Lever
Hinge Plate
Footrest
Hinge
Pins
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SECTION 6—FRONT RIGGINGS
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Part No 1122132
70° Taper
NOTE: For this procedure, refer to
FIGURE 6.2
1. Turn the footrest to the side (open
footplate is perpendicular to
wheelchair).
2. Insert footrest mounting pin into
mounting tube.
3. Push the footrest towards the inside of
the wheelchair until it locks into place.
NOTE: The footplate will be on the inside of the
wheelchair when locked in place.
FIGURE 6.2 Installing/Removing Footrests-
70° Taper
4. Repeat STEPS 1- 3 for the other footrest assembly.
5. To remove the footrest, push the footrest release lever inward, rotate footrest outward.
6. Adjust footrest height, if desired. Refer to Footrest Height Adjustment on page 42.
Footrest Height Adjustment
WARNING
Minimum ground clearance for the footrest is 3 inches - otherwise personal injury or
damage may result.
PH904A and PHAL4A Front Riggings
NOTE: For this procedure, refer to
FIGURE 6.3.
1. Loosen, but DO NOT remove, the lug
bolt and locknut that secure the lower
footrest to the footrest support.
2. Reposition the lower footrest to the
desired height.
3. Securely tighten the lug bolt and
locknut that secure the lower footrest to
the footrest support.
4. Repeat STEPS 1-3 for the opposite side
of the wheelchair footrest, if necessary.
FIGURE 6.3 Footrest Height Adjustment
Footrest
Mounting Pin
Footrest
Release
Lever
Footplate
Mounting Tube
Footrest
Support
Lug Bolt
Locknut
Lower Footrest
NOTE: PH904A style front rigging
shown. PHAL4A front rigging adjust
the same way.
Page 43
SECTION 6—FRONT RIGGINGS
Part No 1122132
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Formula™Invisible Super Low™Tilt
70° and PW93
NOTE: For this procedure, refer to FIGURE 6.4.
1. Remove any accessory from the footrest(s).
2. Remove the footrest from the wheelchair.Refer to Installing/Removing Footrests on
page 41.
NOTE: Lay the footrest on a flat surface to simplify this procedure.
3. Remove the mounting screw, washers and locknut that secure the lower footrest
assembly to the upper footrest support(FIGURE 6.4).
4. Reposition the lower footrest to the desired height.
5. Reinstall the mounting screw, washers
and locknut that secure the lower
footrest to the footrest support and
tighten securely.
6. Repeat STEPS 1-5 for the opposite
wheelchair footrest, if necessary.
7. Reinstall the footrest(s) onto the
wheelchair. Refer to Installing/
Removing Footrests on page 41.
8. Reinstall any accessory onto the
footrest(s).
FIGURE 6.4 Footrest Height Adjustment-
70° and PW93
70° Taper
NOTE: For this procedure, refer to
FIGURE 6.5.
1. Remove any accessory from the
footrest(s).
2. Remove the footrest from the
wheelchair. Refer to Installing/
Removing Footrests on page 41.
NOTE: Lay the assembly on a flat surface to
improve access to the hardware.
NOTE: Note the position of the spacers before
disassembly.
FIGURE 6.5 Footrest Height Adjustment-
70° Taper
3. Remove the mounting screw and coved spacer that secures the lower footrest
assembly.
4. Position the footrest assembly to the desired height.
5. Secure lower footrest assembly with existing mounting screw and coved spacer.
Securely tighten.
Footrest Support
Coved
Washer
Hex Bolt
Lower
Footrest
Coved
Washer
Locknut
Coved Spacer
Mounting Screw
Heel Loop
Footrest
Page 44
SECTION 6—FRONT RIGGINGS
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Part No 1122132
NOTE: Make sure spacers are positioned properly when reassembling to prevent damage to the
frame mounting tubes.
6. Reinstall the footrest(s) onto the wheelchair. Refer to Installing/Removing Footrestson
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