JCB P20A3-13: Error for short to battery of backflow pump actuator powerstage

The system has detected an error related to a short to battery in the powerstage of the backflow pump actuator. This indicates a fault in the electrical circuit associated with the actuator's powerstage.

1. 1

   The backflow pump actuator powerstage

2. 2

   The wiring connected to the backflow pump actuator powerstage

3. 3

   The connection points of the backflow pump actuator powerstage

1. 1

   Inspect

   Inspect the backflow pump actuator powerstage for visible damage or signs of overheating.

2. 2

   Test

   Test the electrical continuity and insulation of the wiring connected to the backflow pump actuator powerstage.

3. 3

   Check

   Check the connection points of the backflow pump actuator powerstage for corrosion, looseness, or damage.