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SECTION 4—SAFETY INSPECTION/TROUBLESHOOTING
Nutron® Series 25 Part No.1106645
Troubleshooting Guide
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 MK5™,
EX™or MK5 NX™ 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.