New Holland 4790: Proportional Valve X-Axis: Valve MMX-A Solenoid Short to 12V

The fault code indicates a short circuit in the solenoid of the Proportional Valve X-Axis, specifically the Valve MMX-A, where the solenoid is shorted to 12V.

1. 1

   The solenoid of the Proportional Valve X-Axis

2. 2

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

3. 3

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

1. 1

   Inspect

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

2. 2

   Test

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

3. 3

   Check

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