New Holland 4818: ON/OFF valve X-Axis: Valve A4/B4 solenoid open circuit

The fault code indicates an open circuit in the solenoid of the ON/OFF valve for the X-Axis, specifically Valve A4/B4. This suggests a break in the electrical connection to the solenoid, preventing it from functioning properly.

1. 1

   The wiring and connections to the solenoid of Valve A4/B4

2. 2

   The integrity of the circuit leading to the solenoid

3. 3

   The condition of the solenoid itself

1. 1

   Inspect

   Inspect the wiring and connections to the solenoid of Valve A4/B4 for any signs of damage, corrosion, or disconnection.

2. 2

   Test

   Test the circuit leading to the solenoid for continuity using a multimeter or equivalent testing device.

3. 3

   Replace

   If the solenoid is found to be faulty, replace it with a compatible replacement.