Troubleshooting Guide - Invacare At'm Owner's Operator And Maintenance Manual

TROUBLESHOOTING GUIDE

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