Stepless brake switch signal source (WABCO) Brake switch permanently active
|  | Description
|  | Effects on the driving operation
|  | Possible causes
|  | Place of action
|  | Instruction
|  | Setting conditions of the event
|  | Test conditions of the event
|  | Final function check
|  | See also:
Description Brake switch permanently active Effects on the driving operation No retarder activation Possible causes The brake switch has never been inactive in the current operating cycle although it can be assumed that the vehicle was not permanently braked. Possible causes are: *Defect at the brake switch that permanently causes a valid brake request. * Defect in the vehicle cabling that permanently causes active brake requests. Place of action No description available. Instruction Check whether the brake switch provides a brake signal '0'. With correct brake switch signal check whether the signals arrive correctly at the E300. Setting conditions of the event No description available. Test conditions of the event No description available. Final function check If the defective component cannot be clearly identified, you should try to reproduce the fault: Reinstall the component in the vehicle. Test the function. After the fault has been eliminated, the following steps have to be carried out: Conduct a test drive with function check. Read out the fault memory. Check the transmission for leaks. Perform a final visual inspection. These steps are necessary to ensure the entire vehicle functions. See also:
|  | Aftersales service index
© by Voith Turbo GmbH & Co. KG, S. Brunnengräber send remarks to stefan.brunnengraeber@voith.com (documentation department)