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.