Invacare R2-250, Pronto R2 manual Troubleshooting Mechanical, Troubleshooting Electrical

SAFETY INSPECTION/TROUBLESHOOTINGPROCEDURE 2

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.
X						Check that both stabilizer wheels
						are adjusted to the same height.

TROUBLESHOOTING - ELECTRICAL

SYMPTOM	PROBABLE CAUSE	SOLUTIONS
Battery won't charge.	Blown Fuse.	Replace fuse (PROCEDURE 6).
Batteries draw excessive current	Battery failure.	Check batteries for shorted cell. Replace if nec-
when charging.		essary (BATTERIES-PROCEDURE 11).
Battery indicator flashes the charge	Electrical malfunction.	Contact Dealer/Invacare for Service.
level is low—immediately after re-	Battery failure.	Check batteries for shorted cell. Replace if nec-
charge.
		essary (BATTERIES-PROCEDURE 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 (BATTERIES-PRO-
recharged.
		CEDURE 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 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 (BATTERIES-PROCEDURE 11).
commands. Power indicator
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.
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.

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

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