Troubleshooting: controller

A general diagnostic guide is first, followed by the battery indicator control system status display and the battery indicator diagnostic guide. Use the general diagnostic guide first; if you are unable to solve your problem, use the battery indicator diagnostic guide.

WARNING: If problems or fault indicators persist, do not attempt to operate the wheel- chair. Operation of the wheelchair could be unsafe. Contact the dealer from whom you purchased the wheelchair. If the dealer is unable to help you, contact Everest & Jennings' Customer Service Department for a list of qualified Graham-Field Health Products dealers in your area.

 

General diagnostic guide

SYMPTOM

BATTERY POSSIBLE CAUSE CORRECTIVE ACTION

 

INDICATOR

 

LIGHTS

Wheelchair won’t drive

Off

System off

 

Batteries not

 

connected

 

Batteries not

 

connected properly, or

 

polarity reversed

 

Circuit breaker open

 

Batteries severely

 

discharged

Rapid flash

Control system fault

(even with

 

joystick

 

released)

 

Turn ON/OFF button switch ON

Connect batteries

Correct Connections

Reset circuit breaker

Recharge / replace batteries

The Controller safety circuits have operated and the Controller has been prevented from moving the wheelchair. This indicates that there is a fault. Please follow this procedure:

1.Switch off the control system.

2.Ensure that all Controller and wheelchair connectors are securely mated.

3.Check battery condition.

4.If you can't find the problem, try using the following Battery indicator diagnostic guide.

5.Turn the Controller on again and try to drive the wheelchair. If the fault lights flash again,

do not try to use the wheelchair; see your dealer.

Wheelchair

On, steady

All is well

None

drives

 

 

 

 

Slow flash

Low batteries

Controller is functioning correctly but you should charge the batteries

 

 

 

as soon as possible.

 

 

 

 

Wheelchair

On

Speed control or

If the wheelchair does not travel at full speed or does not respond

drives, but

 

nonhazardous fault

quickly enough, and battery condition is good, check speed control

movement is

 

 

setting. If adjusting the speed control does not remedy the problem,

sluggish

 

 

there may be a nonhazardous fault. Call your dealer.

 

 

Speed and response

Reprogram to desired

 

 

have been

performance

 

 

programmed slow

 

 

 

 

 

40

GF0600050RevE06, August 2006

Everest with Captain Seat Owner's Manual

Page 40
Image 40
E&J GF0600050REVE06 manual Troubleshooting controller, General diagnostic guide

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