Error 151 - Opened EEV of indoor unit (2nd detection)

Was bedeutet 151 ?

The electronic expansion valve (EEV) in the indoor unit is detected as being open, preventing proper refrigerant flow control. This is a persistent issue (second detection).

• Faulty EEV
• Control signal issue to the EEV
• Refrigerant imbalance or obstruction

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Power cycle the indoor unit to attempt a reset of the EEV's control system.

2. 2

   Verify the EEV's wiring connections for any looseness or damage.

3. 3

   If the error persists, it indicates a more serious issue requiring a qualified technician to diagnose the EEV or refrigerant system.