LCD shows P1 - Abnormality of room temperature thermistor

Was bedeutet P1 ?

The remote controller LCD displays 'P1', indicating an abnormality with the room temperature thermistor (TH1).

• Room temperature thermistor (TH1) malfunction.
• Loose or disconnected thermistor wiring.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check if the thermistor is properly connected to the indoor unit's control board.

2. 2

   Ensure the thermistor is not physically damaged or obstructed.

3. 3

   If accessible, measure the resistance of the thermistor to verify its functionality (consult service manual for values).