Error 40 — Indoor unit E liquid pipe temperature sensor malfunction

Was bedeutet 40 ?

This error code indicates a failure of the liquid pipe temperature sensor for indoor unit E. This sensor is part of the EEV circuit.

• Bad sensor connection
• The sensor is bad
• Sensor resistance drift
• The temperature acquired by PCB is not accurate

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check the sensor wiring connection to the PCB.

2. 2

   Test the sensor resistance.

3. 3

   Replace the sensor if faulty or out of range.