New Holland 4793: Proportional Valve Y-Axis: Valve MMY-B Solenoid Short to 12V

The fault code indicates a short circuit in the solenoid of the Proportional Valve Y-Axis, specifically the Valve MMY-B, which is connected to 12V.

1. 1

   The solenoid of the Proportional Valve Y-Axis

2. 2

   The wiring connected to the solenoid of the Proportional Valve Y-Axis

3. 3

   The connection points of the solenoid to the 12V power source

1. 1

   Inspect

   Inspect the solenoid of the Proportional Valve Y-Axis for visible damage or signs of shorting.

2. 2

   Test

   Test the solenoid of the Proportional Valve Y-Axis for continuity and resistance using a multimeter.

3. 3

   Check

   Check the wiring and connections of the solenoid of the Proportional Valve Y-Axis for any damage or poor contact.