Error 152 — Closed EEV error (2nd detection)

What does 152 mean?

The Electronic Expansion Valve (EEV) in the indoor unit is detected as being closed when it should not be. This is the second detection of this problem.

• EEV is stuck in the closed position
• Problem with the EEV control mechanism
• Refrigerant system blockage

Click steps to track your progress.

1. 1

   Verify that the refrigerant is flowing correctly through the system.

2. 2

   Inspect the EEV for physical blockages or damage.

3. 3

   Ensure the control signals are properly actuating the EEV.

4. 4

   Contact customer support or a qualified technician for further assistance.