ES
EN
11. SOLUTIONS FOR COMMON FAILURES
LH-C CONTROLLER
When the speed indicator light flashes on the controller, it indicates that the power wheelchair is in an abnormal
condition. The meaning of the flashing status and the recommended method of elimination are shown in the
table below.
Speed indicator light
Flashing status
First light
flashing
Second light
flashing
Third light
flashing
Fourth light
flashing
Fifth light
flashing
Sixth light
flashing
Seventh light
flashing
Eighth light
flashing
Ninth light
flashing
Description of the fault and
warning
Fault in the behaviour of
the left engine
Fault in the right-hand
engine compartment
Low battery level
Left engine failure
Right engine failure
Left brake failure
Right brake failure
Fallo en el controlador
Fallo en la conexión del
joystick y controlador
(depending on the model)
Solution
1. Check if the left engine compartment is damaged.
2. Check whether or not the left engine cable is connected.
1. Check if the right engine compartment is damaged.
2. Check whether or not the right engine cable is connec-
ted.
Charge the battery (1st step) and then check the battery
level again.
Check the left motor and its connections
Check the right motor and its connections
Check the left engine brake and its connections
Check the right engine brake and its connections
90% probability, the malfunction is caused by the power
tube of the control unit, it is suggested to replace the
control unit or the main controller, or contact after-sales
service.
1. Check the connection of the joystick cable to the
controller.
2. The controller is damaged.
Electric wheelchair
TROYA
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