PCU IST FAULT

What does 901 mean?

Current flow in excess of 300% of the rated armature current has been detected.

• Ground fault or intermittent connection in the motor armature circuit.
• Faulty current measuring module.
• Poor current regulator tuning.

Click steps to track your progress.

1. 1

   Check the motor armature circuit for ground faults or intermittent connections.

2. 2

   Inspect the current measuring module for faults.

3. 3

   Adjust current regulator tuning parameters.