Invacare 1125078 service manual Down, and recharge the wheelchair overnight with

SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING

SYMPTOM	PROBABLE CAUSE	SOLUTIONS
	Heavy load on the motors forcing	Leave power ON and allow controller to count
	controller into the current rollback	down, and recharge the wheelchair overnight with
	mode.	power ON.
	Blown fuse in battery wiring	Replace battery wiring harness.
	harness.
Motor is running	Damaged Motor	Replace brushes if necessary, or replace motor if
then fails to restart		internal damage is determined.
when stopped.
		Ohm out motor to check for possible internal
		damage (worn out brushes may be possible).
		Refer to Electro-Mechanical Parking Brake Test
		on page 29.
	Controller power stage board or	Replace controller or send to Invacare for repair.
	relays may be damaged.
	Controller senses heavy load and	Stop driving and let electronics cool.
Motor runs but	has entered the current rollback	Leave power ON and allow controller to count
loses power.	mode.	down, and recharge the wheelchair overnight with
		power ON.
Wheelchair loses all	Bad connection on wheelchair.	Turn power “OFF”, wait ten seconds and turn
		power back “ON”.
power while
		Check joystick connection.
driving.
		Check battery connections and circuit breaker.
Power indicator off	Electrical malfunction.	Contact Invacare for service.
- even after
recharging.

At’m and At’m QT 24 Part No. 1125078