JCB P20A2-14: Error for short to ground of backflow pump actuator powerstage

The system has detected an error related to a short to ground 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 wiring and connections of the backflow pump actuator powerstage

2. 2

   The integrity of the powerstage component itself

3. 3

   The presence of any damage or wear in the affected circuit

1. 1

   Inspect

   Inspect the wiring and connections of the backflow pump actuator powerstage for any signs of damage, wear, or improper connections.

2. 2

   Test

   Test the powerstage component for continuity and resistance using a multimeter, following the service manual procedures.

3. 3

   Replace

   If a fault is confirmed, replace the faulty powerstage component as required.