Error 38 — IPM temperature sensor fault or momentary power failure

What does 38 mean?

This code indicates a potential failure of the IPM temperature sensor, which monitors heat generated by the IPM. It may also detect a momentary power failure.

• IPM temperature sensor failure
• Loose sensor connection
• Momentary power interruption

Click steps to track your progress.

1. 1

   Check the connection of the IPM temperature sensor at Plug CN-8.

2. 2

   Inspect the sensor and its mounting near the heat sink.

3. 3

   Ensure the unit has a stable power supply.

4. 4

   Replace the IPM temperature sensor if faulty.