14-time blink (3 sec ON) - Refrigerant leak detected by sensor

What does FL mean?

The operation indicator lamp blinks fourteen times, followed by a 3-second ON state. This indicates a refrigerant leak detected by the sensor.

• Refrigerant leak from piping or indoor unit heat exchanger
• Presence of specific chemicals or gases near the unit

Click steps to track your progress.

1. 1

   Open windows to ventilate the room. FAN operation may continue for up to 7 hours.

2. 2

   Turn off the breaker after ventilation.

3. 3

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

4. 4

   Replace the refrigerant sensor if the problem is not resolved after repair.