36
GF0600055RevA06, October 006
Everest Lite Owner's Manual
tROuBLEsHOOtInG: COntROLLER
A general diagnostic guide is first, followed by 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
wheelchair. 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
at the number on the back of this manual 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
Off
System off
Turn ON/OFF button switch ON
won’t drive
Batteries not
Connect batteries
connected
Batteries not
Correct Connections
connected properly, or
polarity reversed
Circuit breaker open
Reset circuit breaker
Batteries severely
Recharge / replace batteries
discharged
Rapid flash
Control system fault
The Controller safety circuits have operated and the Controller has
(even with
been prevented from moving the wheelchair. This indicates that there
joystick
is a fault. Please follow this procedure:
released)
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
