Troubleshooting Guide; All Wheelchairs - Invacare Pronto M71 Owner's Operator And Maintenance Manual

SECTION 11—SAFETY INSPECTION/TROUBLESHOOTING

Troubleshooting Guide

All Wheelchairs

SYMPTOM
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.
Joystick erratic or does
not respond as desired.
Wheelchair does not
respond to commands.
Power indicator off - even
after recharging.
® ™
Pronto M71 with SureStep
PROBABLE CAUSE
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.
Poor battery terminal connection.
Electrical malfunction.
™ 34
SOLUTIONS
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.
Reprogram controller (Refer to MK5
EX™or MK5 NX™ electronics owner's
manual supplied with wheelchair).
Have terminals cleaned.
Contact Dealer/Invacare for service.
Part No 1141449