Reference voltage Undervoltage Uref
|  | Description
|  | Effects on the driving operation
|  | Possible causes
|  | Place of action
|  | Instruction
|  | Setting conditions of the event
|  | Testing conditions of the event
|  | Final function check
Description Undervoltage Uref. Effects on the driving operation Limited or no transmission function. Possible causes The voltage regulator for 12V constant voltage operates outside the allowed tolerance. Place of action No description available. Instruction Check supply voltage. If supply voltage is greater than 16V (i.e.: o.k.): Measure and check Uref. If Uref lies outside the allowed range: Contact Voith and replace control unit according to instructions. Setting conditions of the event No description available. Testing 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 function. After the fault has been eliminated, the following steps have to be carried out: Conduct a test drive with function check. Read the fault memory Check transmission for leaks. Perform a final visual inspection. These steps are necessary to ensure the entire vehicle functions correctly.
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