Abnormal sound is heard — Unusual operating noise

What does Abnormal sound mean?

The air conditioner is making unusual, loud, or abnormal sounds during operation, which may indicate a mechanical issue or internal malfunction.

• Loose parts or vibrations within the unit
• Motor or fan bearing issue
• Refrigerant flow noises
• Foreign objects trapped inside the unit

Click steps to track your progress.

1. 1

   Stop using the air conditioner immediately to prevent further damage.

2. 2

   Turn off the power to the unit at the main breaker.

3. 3

   Listen carefully to try and identify the source or type of sound (e.g., grinding, rattling, hissing).

4. 4

   Consult your dealer or a qualified service technician for diagnosis.