New Holland 19075 – DCU: Voltage Supply 2 - Tube Heaters (UB2) Electrical Short Circuit to Ground

The fault code indicates an electrical short circuit to ground in the voltage supply for the 2-tube heaters (UB2). This issue affects the reagent suction tube heating system, specifically a short circuit on the low side.

1. 1

   The wiring and connections related to the voltage supply for the 2-tube heaters (UB2)

2. 2

   The reagent suction tube heating component for signs of damage or shorting

3. 3

   The grounding points associated with the voltage supply system

1. 1

   Inspect

   Inspect the wiring and connections for the voltage supply to the 2-tube heaters (UB2) for any signs of damage, wear, or improper connections.

2. 2

   Test

   Test the reagent suction tube heating component for continuity and insulation resistance to identify any internal short circuits.

3. 3

   Check

   Check the grounding points of the voltage supply system to ensure they are secure and free from corrosion or damage.