SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Formula™ Powered Seating
22
Part No 1122170
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.
TILT WARNING displays and the
wheelchair will not drive.
The system is tilted or reclined
beyond drive lock-out angle of
20° (Error code W01).
Return the system to upright position.
MAX BACK ANGLE displays.
The wheelchair back has
reached the maximum
programmed back angle on a
wheelchair with a TIAM, RIAM
or TRAM (Error code W02).
The wheelchair back will not go past
the programmed maximum back angle.
This is normal behavior.
SPM Inhibited displays and the
wheelchair does not drive.
The system is tilted or reclined
beyond the drive lock-out angle
of 20° (Error code W03).
Return the system to the upright
position.
SPM Slow Down is displayed and
the wheelchair drives slowly.
The elevating seat is elevated
(Error code W04).
Return elevating seat to the lowest
position to drive at full speed.
SYMPTOM
PROBABLE CAUSE
SOLUTIONS
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