Permobil M1 Service Manual page 148

Troubleshooting
WARNING!
Performing diagnostics
Diagnostics may only be performed by personnel with knowledge of the
wheelchair's electronic control system. Incorrect or poorly performed repair
works may make the wheelchair dangerous. Permobil accepts no liability for
any personal injury or damage to the wheelchair and its surroundings that
occur due to incorrect or poorly performed repairs.
NOTICE
Unapproved replacement of parts
If any part is replaced without approval from Permobil, the wheelchair
warranty will become void. Permobil accepts no liability for any loss that
occurs as a result of a control system component being opened, adjusted or
modified without permission.
Example of error messages and remedies
If a problem persist after you have made the checks described in table
below please contact your service agent.
Event
1 LED
Low battery voltage
2 LEDs
Left drive motor
disconnected
3 LEDs
Short circuit in left drive
motor
4 LEDs
Right drive motor drive
motor disconnected
5 LEDs
Short circuit in right drive
motor
6 LEDs
Battery charger connected
7 LEDs
Joystick error
8 LEDs
Control system error
9 LEDs
Failure in brake circuit
148
Indication
The battery needs to be charged or there is a bad battery connection.
Charge the battery. If the error message continues, check the battery
connections.
The left motor has a bad connection.
Check all the connections and leads between the left motor and the power
module.
The left motor has a short circuit to a battery.
Check all the connections and leads between the left motor and the battery.
The right motor has a bad connection.
Check all the connections and leads between the right motor and the power
module.
The right motor has a short circuit to a battery.
Check all the connections and leads between the right motor and the battery.
The wheelchair is being prevented from driving by an external signal.
The exact cause will depend on the type of wheelchair you have, one
possibility is the battery charger is connected. If so; disconnect the battery
charger.
A joystick error is indicated.
Make sure that the joystick is in the center position before switching on the
VR2.
A control system trip is indicated.
Make sure that all connections are secure.
The parking brakes have a bad connection.
Check the parking brake and motor connections. Make sure the system
connections are secure.
Remedy
Permobil M1