Upper OPERATION INDICATOR lamp blinks 7 times — Outdoor unit control system trouble

What does Upper lamp 7-time blink mean?

The upper lamp on the indoor unit blinks 7 times. This indicates a problem with the outdoor unit's control system, potentially involving the inverter P.C. board or the main outdoor electronic control P.C. board.

• Malfunction of the outdoor unit's control system
• Problem with the inverter P.C. board or outdoor electronic control P.C. board

Click steps to track your progress.

1. 1

   Try resetting the unit by turning off the main power supply for a few minutes and then turning it back on.

2. 2

   If the error persists, the inverter P.C. board or the outdoor electronic control P.C. board may need replacement.

3. 3

   Contact a service technician for further assistance and repair.