Invacare Wheelchair manual Troubleshooting Electrical, Checking Battery Charge Level

S A F E T Y

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N S P E C T I O N

T R O U B L E S H O O T I N G

PROCEDURE 2SAFETY INSPECTION/TROUBLESHOOTING

TROUBLESHOOTING - ELECTRICAL

SYMPTOM	PROBABLE CAUSE	SOLUTIONS
Batteries draw excessive current	Battery failure.	Check batteries for shorted cell. Replace if nec-
when charging.		essary (FWD - PROCEDURE 10, RWD - PROCE-
		DURE 11).
	Electrical malfunction.	Contact Dealer/Invacare for Service.
Battery indicator flashes the charge	Battery failure.	Check batteries for shorted cell. Replace if nec-
level is low—immediately after re-		essary (FWD - PROCEDURE 10, RWD - PROCE-
charge.		DURE 11).
	Malfunctioning battery charger.	Contact Dealer/Invacare for Service.
	Electrical malfunction.	Poor connections between charger and wheel-
		chair. Contact Dealer/Invacare for Service.
Battery indicator flashes the charge	Batteries not charged.	Have charger checked.
level is low—too soon after being	Weak batteries.	Replace batteries if necessary (FWD - PROCE-
recharged.
		DURE 10, RWD - PROCEDURE 11).
	Electrical malfunction.	Contact Dealer/Invacare for Service.
Motor “chatters” or runs irregular.	Electrical malfunction.	Contact Dealer/Invacare for Service.
Wheelchair does not respond to	One (1) or both clutches disengaged.	Engage motor locks/clutches (FWD - PROCE-
commands. Power "ON", battery		DURE 10, RWD - PROCEDURE 11).
indicator flashes.
Only one (1) drive wheel turns.	Electrical malfunction.	Contact Dealer/Invacare for Service.
	One (1) clutch is disengaged.	Engage clutch (FWD - PROCEDURE 10, RWD -
		PROCEDURE 11).
Joystick erratic or does not respond	Electrical malfunction.	Contact Dealer/Invacare for Service.
as desired.	Controller Programed improperly	Reprogram controller (Refer to MCC-MKIV con-
	(Power 9000 Only).	troller manual supplied with wheelchair).
Wheelchair does not respond to	Poor battery terminal connection.	Clean terminals (FWD - PROCEDURE 10, RWD -
commands. Power indicator OFF—		PROCEDURE 11).
even after recharging.	Electrical malfunction.	Contact Dealer/Invacare for Service.

NOTE: For additional troubleshooting information and explanation of error codes, refer to the individual CONTROLLER MANUAL supplied with each wheelchair.

CHECKING BATTERY CHARGE LEVEL

The following “Do’s” and “Don’ts” are provided for your convenience and safety.

DON’T	DO
Don’t perform any installation or maintenance	Read and understand this manual and any service information that accompa-
without first reading this manual.	nies a battery and charger before operating the wheelchair.
Don’t perform installation or maintenance of	Move the wheelchair to a work area before checking the fluid level, adding dis-
batteries in an area that could be damaged by	tilled water, cleaning terminals, or opening battery box.
battery spills.
Don’t make it a habit to discharge batteries to	Recharge as frequently as possible to maintain a high charge level and extend
the lowest level.	battery life.
Don’t use randomly chosen batteries/chargers.	Follow recommendations in this manual when selecting a battery or charger.
Don’t put new batteries into service before	Fully charge a new battery before using.
charging.
Don’t tip or tilt batteries.	Use a carrying strap to remove, move or install a battery.
Don’t use ordinary tap water.	ONLY use distilled water to refill.
Don’t overfill cells.	Keep the liquid level in the cells at the “split ring” level.
Don’t use uneven levels of distilled water in cells.	Maintain the liquid in all cells at the “split ring” level.
Don’t tap on clamps or terminals with tools.	Push battery clamps onto terminals. Spread clamps wider if necessary.
Don’t mismatch your battery and chargers.	Use ONLY a GEL charger for a GEL or sealed battery and a regular charger for
	regular batteries.

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