Indoor sensor error — Indoor evaporator pipe sensor fault

What does Indoor sensor error mean?

The indoor unit's evaporator (Eva In) pipe sensor is either open (disconnected) or short-circuited (faulty). This impacts the system's ability to monitor refrigerant temperatures and stops operation.

• Faulty indoor unit pipe sensor.
• Loose or disconnected indoor unit PCB connector CN41 (white).

Click steps to track your progress.

1. 1

   Inspect the indoor unit pipe sensor for any visible damage or signs of disconnection.

2. 2

   Check the indoor unit PCB connector labeled CN41 (white) to ensure it is securely attached.

3. 3

   Turn off the main power supply to the air conditioner for a few minutes, then restart it.