TA Service 97050, User Manual

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27
TROUBLESHOOTING – CONTROL BOX WITHOUT DISPLAY
If a system failure should occur, you can find the cause by counting the number of light diodes flashing – If
light diodes lights constant – see Control box without display, page 17.
Number of light diodes flashing:
Cause: Solution:
1. Batteries need charging. Charge the power chair.
2. Bad connection to the batteries. Check the connection to the
batteries.
Bad connection to the left* motor. Check connection to the motor.
The left* motor has a short-circuit
to a battery connection. Contact authorized repairer.
Bad connection to the right*
motor. Check connection to the motor.
The right* motor has a short-
circuit to a battery connection. Contact authorized repairer.
The power chair has been
prevented from driving, by an
external signal. Fx a special
contact solution. Cause is depending on the special
contact solution. Contact TA.
Service or your supplier.
1 Joystick is not centered. Turn OFF the power chair, center
the joystick and turn ON again.
2. Joystick error. Contact authorized repairer.
1. System error. Check all connections.
+ control box ”bips”
1. Brake are mechanically
disengaged Connect the brake; see Mechanical
disengaging the brakes, page 17.
2. Bad connection to brake. Check that the motor/brake cable
is properly connected to the power
module on the power chair.
Contact authorized service center.
Too much voltage has occurred in
the control system. This is normally caused by a bad
connection to the batteries. Check
the connection to the batteries.
1. Bad connection in the cables. Check cable connections between
the control box, seat module and
power module.
2. Broken cable. Change the cable.
Power module failure. Test if one of the electric functions
do
esn’ t work. Check if one of the
connections from the electonics to
the actuators
doesn’t work.
* If there has been switch in the program, it could be the opposite motor.