SECTION 5—SAFETY INSPECTION/TROUBLESHOOTING
Part No. 1106645
29
R51™and R51LXP
Troubleshooting Guide
Troubleshooting - Electrical
NOTE: For additional troubleshooting information and explanation of error codes, refer to the
individual Electronics Manual supplied with each wheelchair
SPJ™+ Joysticks
The joystick information gauge and the service indicator give indications of the type of
fault or error detected by the control module. When a fault is detected, the wheelchair
may stop and not drive. The LEDs on the information gauge may flash in a particular
pattern or the service indicator light will flash. The number or type of flashes indicates the
nature of the error. If multiple errors are found, only the first error encountered by the
control module will be displayed.
SYMPTOM
PROBABLE CAUSE
SOLUTIONS
Batteries draw excessive
current when charging.
Battery failure.
Electrical malfunction.
Have batteries checked for shorted cell.
Replace if necessary.
Contact dealer/Invacare for service.
Battery indicator flashes
the charge level is low -
immediately after
recharge.
Battery failure.
Malfunctioning battery charger.
Electrical malfunction
Check batteries for shorted cell. Replace if
necessary.
Contact dealer/Invacare for service.
Contact dealer/Invacare for service.
Battery indicator flashes
the charge level is low -
too soon after being
recharged.
Batteries not charged.
Weak batteries.
Have charger checked.
Replace batteries if necessary. Contact
dealer/Invacare for service.
Motor “chatters” or runs
irregular.
Electrical malfunction.
Contact dealer/Invacare for service.
Joystick erratic or does
not respond as desired.
Damaged motor coupling.
Electrical malfunction.
Controller programmed improperly.
Contact dealer/Invacare for service.
Contact dealer/Invacare for service.
Reprogram controller (refer to electronics
owner’s manual supplied with wheelchair).
Wheelchair does not
respond to commands.
Poor battery terminal connection.
Have terminals cleaned.
Power indicator off - even
after recharging.
Electrical malfunction.
Contact dealer/Invacare for service.