Upper lamp blinks 3 times, then lower lamp lights ON - Refrigerant leak detected

What does Upper lamp 3 times, then lower lamp ON mean?

The upper lamp blinks three times, and then the lower lamp turns on. This combination indicates a refrigerant leak has been detected by a sensor.

• Refrigerant leak in the indoor unit piping or heat exchanger
• Accidental release of refrigerant
• Faulty refrigerant leak sensor

Click steps to track your progress.

1. 1

   Ventilate the room by opening windows.

2. 2

   Turn off the main breaker after ventilation is complete.

3. 3

   Inspect the indoor unit for the source of the refrigerant leak and repair it.

4. 4

   Replace the refrigerant sensor if the leak is not found or the error persists.