Deutz-Fahr P1177-00: Volume Control Valve - PWM Signal - High Limit Reached

The volume control valve is experiencing a PWM signal that has reached a high limit, indicating an abnormal condition in the control signal for the valve.

1. 1

   The signal output from the controller to the volume control valve

2. 2

   The wiring and connections between the controller and the volume control valve

3. 3

   The operation of the volume control valve itself

1. 1

   Inspect

   Inspect the wiring and connections between the controller and the volume control valve for damage, corrosion, or loose connections.

2. 2

   Test

   Test the signal output from the controller to the volume control valve using a diagnostic tool or multimeter to verify the PWM signal.

3. 3

   Verify

   Verify the operation of the volume control valve to ensure it is responding correctly to the PWM signal.