Error 154 - Indoor unit fan RPM feedback error

What does 154 mean?

The indoor unit's main fan is experiencing an RPM feedback error, meaning its rotation speed cannot be correctly measured or controlled.

• Faulty indoor fan motor
• Obstructed fan blades (debris, dust build-up)
• Faulty RPM sensor for the fan

Click steps to track your progress.

1. 1

   Inspect the indoor unit's fan for any obstructions that might prevent its free rotation.

2. 2

   Ensure the fan blades are clean and undamaged.

3. 3

   If the fan appears faulty or the error continues, professional service is required to inspect the fan motor or sensor.