Operating Unit-Control Wheels

Operating unit - Control wheels^D^201 Status List/31 air flow control "OFF"

Possible cause:
Air flow control potentiometer in operating unit or connection to control unit defective

NOTE: When ^D^201 Status list/31 air flow control indicates "OFF", the control unit does not switch on the function light. Only defrost and the rear window defogger can be activated. In the case of an interruption in the supply voltage of the control wheels in the operating unit, the temperature control wheel indicates ^D^201/01, 25 Temperature control wheels 15 C and 31 Air flow control "OFF" although they are in mid-position.





Troubleshooting