EC52 — Condenser coil temperature sensor (T3) malfunction

What does EC52 mean?

The temperature sensor for the condenser coil (T3) is malfunctioning. This sensor monitors the temperature of the outdoor coil.

• Faulty condenser coil temperature sensor (T3)
• Loose or damaged wiring
• Connection issue with the main control board

Click steps to track your progress.

1. 1

   Inspect the wiring and connections for the T3 sensor.

2. 2

   Ensure the sensor is properly attached to the condenser coil.

3. 3

   Check the sensor's resistance value according to the manual's specifications.

4. 4

   Replace the sensor if faulty; otherwise, the control board may be implicated.