Operation Indicator Flashing - General system abnormality

What does Abnormality Flashing mean?

The indoor unit's OPERATION INDICATOR lamp flashing ON and OFF indicates a general system abnormality. The specific issue is usually identified by the number of flashes, which requires further diagnosis.

• An internal malfunction or error within the air conditioning system.
• Loose electrical connections or terminal issues.
• Potential electronic control board defect.

Click steps to track your progress.

1. 1

   Note the exact pattern of the flashing indicator (e.g., how many times it flashes, then pauses). This information will be helpful if you need to contact service.

2. 2

   Turn off the air conditioner at the main power switch or circuit breaker and wait for 30 seconds.

3. 3

   Restore power to the unit and attempt to restart it.

4. 4

   Verify that all connectors and terminals at the indoor and outdoor units (if accessible safely) are properly connected.

5. 5

   If the problem persists, contact qualified service personnel, providing the flashing pattern observed.