Mains disturbance 437 — Compressor is blocked: Inverter fault

What does 437 mean?

A temporary inverter fault has occurred 3 times within 2 hours or has been continuous for 1 hour. Check fuses and connections.

• A temporary inverter fault has occurred 3 times within 2 hours or has been continuous for 1 hour
• Main and group fuses and their cable connections

Click steps to track your progress.

1. 1

   Inspect main and group fuses.

2. 2

   Check cable connections to the inverter.

3. 3

   Verify the power supply is stable.

4. 4

   A service technician should investigate this fault.