Invacare M71 service manual JS REV TOO Large

SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING

SYMPTOM	PROBABLE CAUSE	SOLUTIONS
JS REV TOO LARGE	The joystick or input device is	Replace joystick or input device.
	sending a value outside of the
JS FWD TOO LARGE
	reverse, forward, left or right
JS LFT TOO LARGE or	limits (Error codes E01, E02,
JS RGT TOO LARGE	E03 or E04).
displays and the wheelchair does not
drive.
NEUTRAL TESTING displays.	The joystick neutral test has	Release the joystick and try to get the
	failed (Error code E18).	joystick back into the center-most
		position.
BAD JOYSTICK CAL VALUES	The joystick calibration values	Recalibrate the joystick (joystick throw
	are outside of the expected	procedure).
displays and the wheelchair does not
	range (Error code E19).
drive.
SPM NOT CONNECTED	The MPJ or Display module is	Check the connections between the
	not communicating with the	joystick or display and the controller.
	control module (Error code	Turn the power Off and then back On.
	E200).	Replace the controller if necessary.
SPM Communications Fault	The controller has determined a	Turn the wheelchair Off and back On.
	fault during a previous turn-off
displays and the wheelchair drives
	process (Error code E41).
slowly.
	The Proportional or Digital	This is normal behavior.
ATTENDANT ACTIVE and	Attendant control is active and
displays.	can be used to drive the chair
	(Error code W05).
Batteries draw excessive current	Battery failure.	Have batteries checked for shorted cell.
when charging.		Replace if necessary.
	Electrical malfunction.	Contact Dealer/Invacare for service.
Battery indicator flashes the charge	Battery failure.	Check batteries for shorted cell.
level is low - immediately after		Replace if necessary.
recharge.
	Malfunctioning battery charger.	Contact Dealer/Invacare for Service.
	Electrical malfunction.	Contact Dealer/Invacare for Service.
Battery indicator flashes the charge	Batteries not charged.	Have charger checked.
level is low - too soon after being
recharged.	Weak batteries.	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	Damaged motor coupling.	Contact Dealer/Invacare for Service.
as desired.
	Electrical malfunction.	Contact Dealer/Invacare for Service.
	Controller programmed	Contact Dealer/Invacare to have
	improperly.	controller reprogrammed.
Wheelchair does not respond to	Poor battery terminal	Have terminals cleaned.
commands.	connection.
Power indicator Off - even after	Electrical malfunction.	Contact Dealer/Invacare for Service.
recharging.

Part No 1118377 23 Pronto® M71™