Sunrise Medical Quickie Q50R Service Instructions Manual page 28

Fault Self-Diagnosis
This indicates a system trip in the new VSI has detected a problem somewhere in the wheelchair＇s electrical
system. Please follow the following procedure.
1. Switch off the controller.
2. Make sure that all connectors on the wheelchair and the control system are mated securely.
3. If you can't find the problem, try using the self-help guide.
4. Switch on the controller again and try to drive the wheelchair. If the safety circuit operate
again, switch off and do not try to use the wheelchair. Contact your service agent.
Times Diagnosis
The battery needs charging or there is a bad
1
connection to the battery.
The left hand motor has a bad connection.
2
The left hand motor has a short circuit to battery
3
connection.
The right hand motor has a bad connection.
4
The right hand motor has a short circuit to battery
5
connection.
Not used.
6
A joystick fault is indicated.
7
A controller fault is indicated.
8
The parking brakes have a bad connection.
9
A excessive voltage has been applied to the
10
controller.
Other situations where a dealer's service is required:
* Excessive noise from the motor
* Severe cracks or ruptures in the joints
* Unable to run
* Tire wear and tear
* Generates severe jitter
If the Q50R is not working or not working as it should, contact your supplier.
28
（All 5 LEDs in the battery display are flashing）
Solution
Check the connections to the battery.
If the connections are good, try charging the
battery.
Check the connections to the left
hand motor.
Contact your
service agent.
Check the connections to the right
hand motor.
Contact your
service agent.
/
Make sure that the joystick is in the center
position before switching on the controller.
Make sure that all connections are secure.
Check the parking
connections.
Make sure the controller connections are
secure.
This is usually
caused by a poor battery connection. Check
the battery connections.
brake and motor
Q50R REV.A