Permobil Koala, Service Manual

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Troubleshooting
Troubleshooting
Battery voltage indicator
The battery voltage indicator shows the status of the wheelchair.
Steady Display
-
Everything is working correctly.
Flashing slowly
-
The batteries need to be charged.
Flashing quickly
-
Fault signal. A fault has occurred and the wheelchair can not be driven.
Fault signals
The number of flashing lights indicates the fault.
– Note the number of flashing lights.
– Switch off the chair.
– Switch the chair back on.
– If the fault is still there, count the number of flashing lights, then look up the possible cause and
action in the table below.
High battery voltage
Break in the brake circuit
Fault in the electronics
Fault in the control panel
Short circuit, right drive motor
Open circuit, right drive motor
Short circuit, left drive motor
Open circuit, left drive motor
Low battery voltage
Check the battery and the connections between
the battery and Pilot Motor Controller.
Check the connections to the magnetic brake.
Check the connections to the Pilot Motor
Controller. If the fault persists, change the
Pilot Motor Controller
Make sure the joystick isn’t actuated at switch-
on, change the control panel.
Check the motor connections and cable.
Check the connection to the right drive motor.
Check the motor connections and cable.
Check the connection to the left drive motor.
Check the condition of the battery. Check the
connection between the battery and the control unit.
CAUSE ACTION
5
6
7
10
9
8
4
3
2
1
LEDs