P2 - Pipe sensor abnormal in indoor unit

What does P2 mean?

This code indicates that the pipe sensor in the indoor unit is not functioning correctly, which can affect temperature regulation and defrost cycles.

• Faulty pipe sensor.
• Loose or corroded connection of the pipe sensor wiring.
• Damage to the sensor itself.

Click steps to track your progress.

1. 1

   Turn off the power supply to the indoor unit at the circuit breaker.

2. 2

   Visually inspect the pipe sensor and its wiring for any obvious damage or loose connections (requires professional access).

3. 3

   Ensure the sensor is properly positioned against the pipe.

4. 4

   If the error reoccurs, contact a qualified technician to test the sensor's resistance and replace if necessary.