Troubleshooting Guide; All Wheelchairs - Pronto M50 Owner's Operator And Maintenance Manual

SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING

Troubleshooting Guide

NOTE: For additional troubleshooting information and explanation of error codes, refer to the
Electronics Manual supplied with each wheelchair.

All Wheelchairs

SYMPTOM
Limited driving distance.
Batteries not charging.
Batteries draw excessive
current when charging.
Charger indicator shows low
charge level immediately
after charging.
Battery indicator flashes the
charge level is low immedi-
ately after recharging.
Wheelchair will not drive.
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.
® ™ ™
Pronto M50 , M51 and M61
PROBABLE CAUSE
Batteries not charged long
enough.
Batteries weak; wont hold
charge.
Charger not working.
Battery connections loose.
No current at wall outlet.
Bad connection on charger,
charger cable, plug or inter-
nal wiring problem.
Battery failure.
Batteries weak, wont hold
charge.
Electrical malfunction.
Charger malfunction.
Weak Batteries.
Charger malfunction.
Electrical malfunction
Motor release levers are
disengaged.
Batteries require charging.
Charger plugged in.
Circuit breaker tripped.
Electrical malfunction.
Electrical malfunction.
One (1) motor lock is disen-
gaged.
Electrical malfunction.
Controller programmed
improperly.
Poor battery terminal con-
nection.
Electrical malfunction.
™ ™ 26
with SureStep
SOLUTIONS
Charge batteries overnight or ensure 8 hours of
charge time between use. Ensure correct setting
on charger.
Replace Batteries.
Have charger replaced. Contact Dealer/Invacare.
Check all connections. Secure connections.
Switch to another wall outlet.
Replace charger or internal repairs may be
required. Contact Dealer/Invacare.
Have batteries checked for shorted cell. Replace
if necessary.
Replace Batteries.
Contact Dealer/Invacare.
Replace charger. Contact Dealer/Invacare.
Replace batteries.
Replace charger. Contact Dealer/Invacare.
Contact Dealer/Invacare.
Engage motor release levers.
Charge batteries. Make sure the setting on the
charger is correct.
Unplug charger from wall outlet before operat-
ing the wheelchair.
Reset circuit breaker. If breaker trips again, it
may indicate need for internal repair. Contact
Dealer/Invacare.
Contact Dealer/Invacare.
Contact Dealer/Invacare for service.
Engage motor lock.
Contact Dealer/Invacare for service.
Reprogram controller (Refer to electronics man-
ual supplied with wheelchair).
Have terminals cleaned.
Contact Dealer/Invacare for service.
Part No. 1125085