Description

Inadmissible state. Solenoid valve VR on when pushbutton is set to forward.

Effects on the driving operation

Driving is not possible.

Possible causes

Faulty solenoid valve wiring

Defective solenoid valve

Potential shift due to an inadmissibly high line resistance of the ground line.

Faulty information on driving direction.

Faulty activation of solenoid valve by main computer

Place of action

No description available.

Instruction

Check plug connections, cabling and solenoid coil.

Clear event memory

Should the fault reoccur, please contact the VOITH customer service.

Setting conditions of the event

Pushbutton forward

Voltage at VR for at least 0.1s above approximately 2.3V.

Testing conditions of the event

Safety switch.

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.