Invacare Arrow RWD Service Manual page 52

SECTION 6—TROUBLESHOOTING
SYMPTOM
NEUTRAL TESTING displays.
BAD JOYSTICK CAL VALUES
displays and the wheelchair does not
drive.
SPM NOT CONNECTED
SPM Communications Fault
displays and the wheelchair drives
slowly.
ATTENDANT ACTIVE and
displays.
Batteries draw excessive current
when charging.
Battery indicator flashes the charge
level is low - immediately after
recharge.
Battery indicator flashes the charge
level is low - too soon after being
recharged.
Motor "chatters" or runs irregular.
Wheelchair erratic or does not
respond as desired.
Wheelchair does not respond to
commands.
Power indicator off - even after
recharging.
3G Storm Series® Wheelchairs
PROBABLE CAUSE
The joystick neutral test has
failed (Error code E18).
The joystick calibration values
are outside of the expected
range (Error code E19).
The MPJ or Display module is
not communicating with the
control module (Error code
E200).
The controller has determined a
fault during a previous turn-off
process (Error code E41).
The Proportional or Digital
Attendant control is active and
can be used to drive the chair
(Error code W05).
Battery failure.
Electrical malfunction.
Battery failure.
Malfunctioning battery charger.
Electrical malfunction.
Batteries not charged.
Weak batteries.
Electrical malfunction.
Damaged motor coupling.
Electrical malfunction.
Controller programmed
improperly.
Bad Joystick.
Blown Fuse or Bad Connection. Test battery voltage and check wiring
52
SOLUTIONS
Release the joystick and try to get the
joystick back into the center-most
position.
Re-calibrate the joystick (joystick throw
procedure).
Check the connections between the
joystick or display and the controller.
Turn the power off and then back on.
Replace the controller if necessary.
Turn the wheelchair off and back on.
This is normal behavior.
Have batteries checked for shorted cell.
Replace if necessary.
Contact Dealer/Invacare for service.
Check batteries for shorted cell.
Replace if necessary.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Have charger checked.
Replace batteries if necessary. Contact
Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare for Service.
Contact Dealer/Invacare to have
controller reprogrammed.
Calibrate Joystick or replace.
connections.
Part No. 1104849