Indoor unit indicators blink (specific pattern) — Serious malfunction

What does Indicators blink fast mean?

If the [ ] and [ ] indicators on the indoor unit are blinking while the [ ] indicator is blinking fast, this signifies a serious internal malfunction requiring professional attention.

• Unspecified internal system malfunction or critical error requiring expert diagnosis.

Click steps to track your progress.

1. 1

   Immediately stop the operation of the air conditioner.

2. 2

   Turn off the electrical breaker supplying power to the unit.

3. 3

   Consult authorized service personnel without delay, describing the blinking pattern.