F4 - Abnormal high temperature of refrigerant oil

Was bedeutet F4 ?

The oil within the compressor has become excessively hot.

• Low refrigerant charge
• Overheating compressor
• Faulty oil temperature sensor

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Ensure the outdoor unit has proper ventilation and is not overheating.

2. 2

   Check air filters and clean the outdoor unit's coils.

3. 3

   A service technician needs to diagnose the cause of the high oil temperature.