F4E1 — Heater Stuck On

What does F4E1 mean?

This fault is displayed when the heater is detected as being ON when it should be OFF. This indicates a control issue or a problem with the heating element circuit.

• Faulty heater relay on the main control board.
• Internal short in the heater element.
• Main control board malfunction.

Click steps to track your progress.

1. 1

   Unplug the washer from the wall outlet immediately.

2. 2

   Refer to TEST #9: Heater Element (page 6-16) for specific diagnostic checks.

3. 3

   Inspect the main control board for any visible damage or loose connections to the heater circuit.