E5 — Indoor coil temperature sensor error

What does E5 mean?

This code indicates a problem with the indoor coil temperature sensor (T2). This sensor measures the temperature of the indoor coil.

• Faulty indoor coil temperature sensor (T2)
• Loose or damaged sensor wiring
• Problem with the indoor unit's main control board

Click steps to track your progress.

1. 1

   Inspect the wiring and connections of the indoor coil temperature sensor (T2).

2. 2

   Ensure the sensor is properly positioned and making good contact with the coil.

3. 3

   Check the sensor's resistance value against the manual's specifications.

4. 4

   If the sensor appears faulty, replace it. Otherwise, the control board may need attention.