Invacare IISTANDARD, IIJR, IIBASIC manual Troubleshooting Mechanical, Troubleshooting Electrical

S A F E T Y

I

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 2 SAFETY INSPECTION/TROUBLESHOOTING

This Procedure Includes the Following:

Troubleshooting

Checking Battery Charge Level

Safety Inspection Checklist

TROUBLESHOOTING - MECHANICAL

CHAIR VEERS	SLUGGISH TURN/	CASTERS	SQUEAKS AND	LOOSENESS	CHAIR 3	SOLUTIONS
LEFT/RIGHT	PERFORMANCE	FLUTTER	RATTLES	IN CHAIR	WHEELS
X	X	X			X	If pneumatic, check tires for cor-
						rect and equal pressure.
X	X	X	X	X		Check for loose stem nuts/bolts.
X		X				Check that both casters contact
						ground at the same time.

TROUBLESHOOTING - ELECTRICAL

SYMPTOM	PROBABLE CAUSE	SOLUTIONS
Battery won't charge	Blown Fuse. (RANGER IIJR ONLY)	Replacefuse(PROCEDURE6).(RANGERIIJR ONLY)
Batteries draw excessive current	Battery failure.	Check batteries for shorted cell. Replace if nec-
when charging.		essary (FWD-PROCEDURE 11, MWD-PROCE-
		DURE 12).
	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 11, MWD-PROCE-
charge.		DURE 12).
	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 11, MWD-PROCEDURE 12).
	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 motor locks/clutches	Engage motor locks/clutches (PROCEDURE 8).
commands. Power "ON", battery	disengaged.
indicator flashes.
Only one (1) rear wheel turns.	Electrical malfunction.	Contact Dealer/Invacare for Service.
	One (1) motor lock/clutch is disengaged.	Engage motor lock/clutch (PROCEDURE 8).
Joystick erratic or does not re-	Electrical malfunction.	Contact Dealer/Invacare for Service.
spond as desired.	Controller Programed improperly.	Contact Dealer/Invacare for Service.
Wheelchair does not respond to	Poor battery terminal connection.	Clean terminals (FWD-PROCEDURE 11, MWD-
commands. Power indicator		PROCEDURE 12).
OFF—even after recharging.	Electrical malfunction.	Contact Dealer/Invacare for Service.

NOTE: For additional troubleshooting information and explanation of error codes, refer to the individual CONTROL- LER 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
batteries in an area that could be damaged by	distilled water, cleaning terminals, or opening battery box.
battery spills.

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