F20 - Outdoor compressor overheating protection

Was bedeutet F20 ?

The compressor tank temperature has exceeded 112°C, causing overheating protection to activate. This has occurred 4 times within 30 minutes. The OFF/ON LED will blink.

• Compressor tank temperature sensor fault
• Clogged expansion valve or strainer
• Insufficient refrigerant
• Outdoor PCB fault
• Compressor fault

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check the compressor tank temperature sensor.

2. 2

   Inspect the expansion valve and strainer for blockages.

3. 3

   Verify refrigerant levels.

4. 4

   Ensure adequate airflow around the outdoor unit.

5. 5

   Contact a qualified installer or service technician.