14-time blink (3 sec ON) - Refrigerant sensor issue

What does FH mean?

The operation indicator lamp blinks fourteen times, followed by a 3-second ON state. This points to a problem with the refrigerant sensor on the indoor unit.

• Refrigerant sensor not connected properly
• Broken wire to the refrigerant sensor
• Faulty refrigerant sensor

Click steps to track your progress.

1. 1

   Ensure the refrigerant sensor connector is properly attached.

2. 2

   Check the wiring for breaks or damage.

3. 3

   Replace the refrigerant sensor if it is faulty.