New Holland 3387 – New Holland Engine: Decrease Fan Speed Driver Circuit Issue

The fault code indicates a problem with the decrease fan speed driver circuit, specifically an open or short to ground. This issue affects the proper operation of the fan speed control system.

1. 1

   The wiring and connections of the decrease fan speed driver circuit

2. 2

   The integrity of the circuit for any signs of damage or wear

3. 3

   The component identified by this code for potential faults

1. 1

   Inspect

   Inspect the wiring and connections of the decrease fan speed driver circuit for damage, wear, or loose connections.

2. 2

   Test

   Test the circuit for continuity and ensure there are no shorts to ground.

3. 3

   Replace

   If a fault is found, replace the affected component or repair the circuit as necessary.