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SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Part No. 1125035 23 At’m
TROUBLESHOOTING GUIDE
NOTE: For additional troubleshooting information and explanation of error codes, refer to the
Electronics Manual supplied with each wheelchair.
SYMPTOM PROBABLE CAUSE SOLUTIONS
Erratic performance of
wheelchair (driving uphill,
increase in braking distance).
Low tire pressure. Inflate tires to the proper tire pressure.
Wheelchair will not drive. Low tire pressure.
Motor engagement handles
are disengaged.
Batteries require charging.
Charger plugged in.
Circuit breaker tripped.
Inflate tires to the proper tire pressure.
Engage motor engagement handles.
Charge batteries. Make sure the setting on the
charger is correct.
Unplug charger from wall outlet before operat-
ing the wheelchair.
Press the reset button. Refer to Resetting the
Circuit Breaker on page 28.
Batteries draw excessive
current when charging.
Battery failure.
Electrical malfunction.
Have batteries checked for shorted cell. Replace
if necessary.
Contact Dealer/Invacare.
Battery indicator shows low
charge level immediately
after charging.
Batteries weak, won’t hold
charge.
Electrical malfunction.
Charger malfunction.
Replace Batteries.
Contact Dealer/Invacare.
Replace charger. Contact Dealer/Invacare.
Motor “chatters” or runs
irregularly.
Electrical malfunction. Contact Dealer/Invacare.
Only one (1) drive wheel
turns.
Electrical malfunction.
One (1) motor is disen-
gaged.
Contact Dealer/Invacare for service.
Engage motor engagement handle.
Joystick erratic or does not
respond as desired.
Electrical malfunction.
Controller programmed
improperly.
Contact Dealer/Invacare for service.
Reprogram controller (Refer to electronics man-
ual supplied with wheelchair).
Wheelchair does not
respond to commands.
Poor battery terminal con-
nection.
Have terminals cleaned.
Power indicator off - even
after recharging.
Electrical malfunction. Contact Dealer/Invacare for service.