OPERATION INDICATOR lamp blinks with beeps — Indoor unit is abnormal

What does OPERATION INDICATOR lamp blinks with beeps (indoor abnormal) mean?

When recalling failure modes, if the left lamp of the OPERATION INDICATOR blinks at 0.5-second intervals with beeps, this points to an abnormality within the indoor unit. This pattern helps identify the specific problem.

• Malfunction within the indoor unit components or sensors.
• An error that has been detected and stored in the system's memory.

Click steps to track your progress.

1. 1

   Observe the specific blinking pattern (number of blinks followed by a pause) of the left OPERATION INDICATOR lamp.

2. 2

   Consult the 'Table of indoor unit failure mode recall function' (Section 9-2.2) to match the blink pattern with the specific abnormal point.

3. 3

   Ensure to check at least 2 consecutive blinking cycles to correctly identify the fault.