Safety stop inverter 427 — Compressor is blocked: Temporary inverter fault

What does 427 mean?

A temporary fault in the inverter occurred 2 times within 60 minutes. Check the main and group fuses and their cable connections.

• A temporary fault in the inverter has occurred 2 times within 60 minutes
• Main and group fuses and their cable connections

Click steps to track your progress.

1. 1

   Inspect main and group fuses.

2. 2

   Check all cable connections to the inverter.

3. 3

   Ensure the inverter is properly installed.

4. 4

   Contact a service technician.