Invacare M51, M50, M61 service manual Motor/Gearbox/Brake, Symptom Probable Cause Solutions

SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING

NUMBER OF FLASHES	DIAGNOSTICS CODE	ERROR CODE DESCRIPTION	SUB CODE*	DETAILS OF ERROR CODE	POSSIBLE SOLUTION
8	E08	Controller Fault	00	Controller fault	Check connections and wiring. Replace
					power module.
			01	RAM fault
			02	ROM fault
			03	CPU fault
			04	EEPROM fault
			05	Watchdog fault
			06	Stack fault
			07	Software fault
			08	Power-up testing fault
			09	Relay fault or precharge fault
			10	Bridge fault or disable all fault
			11	Electronics fault: Thermistor
			12	Calibration setting fault
9	E09	Communications	00	Remote connection lost	Check connections and wiring. Replace
		Fault			Bus cable.
			01	Low communication mode
10	E10	General Fault	00	General fault	Check all connections and wiring. Contact
					Invacare Technical Service.
11	E11	Incompati-	00	Incompatible/incorrect	Wrong type of remote connected. Ensure
		ble/incorrect		Remote	the branding of the joystick matches that
		Remote			of controller unit.
Motor/Gearbox/Brake

SYMPTOM	PROBABLE CAUSE	SOLUTIONS
	Bad bearings.	If bearings are bad, replace motor. Refer to
		Removing/Installing the Motor on page 112.
Motor makes a
	Raised commutator plate inside of	Ohm out motor and replace motor if high reading
clicking noise.
	motor.	is present. Normal reading is .5-5 Ohms. Refer to
		Motor Testing on page 31 or Removing/Installing
		the Motor on page 112.
Grinding noise or	Bad bearings. Bad Gears.	Replace motor/gearbox. Refer to
motor is locking		Removing/Installing the Motor on page 112.
up.
Motors stall and	Current Rollback.	Stop driving and let electronics cool.
starts up again.

Part No. 1125075 25 Pronto® Series