Inv. err. 263 — Compressor is blocked: Inverter voltage outside parameters

What does 263 mean?

The voltage from the inverter is outside the specified parameters, triggering this alarm 4 times within 30 minutes. This could be due to connection issues or inverter problems.

• Poor connection between control board/PCB and inverter
• Inverter de-energised or defective
• Defective control board in F2040/AMS

Click steps to track your progress.

1. 1

   Check the connection between the control board/PCB and the inverter.

2. 2

   Verify the inverter is receiving power and is not defective.

3. 3

   Inspect the control board for faults.

4. 4

   A service technician should be consulted.