11-time blink 2.5 seconds OFF — Stop valve detected closed

What does 11-time blink 2.5 seconds OFF mean?

The outdoor unit LED blinks 11 times with a 2.5-second pause. This indicates that a closed stop valve has been detected based on the compressor current.

• Stop valve is closed or obstructed
• Incorrect compressor current reading

Click steps to track your progress.

1. 1

   Turn off the power to the air conditioner at the circuit breaker.

2. 2

   Visually inspect the stop valve on the outdoor unit to ensure it is fully open.

3. 3

   Restore power. If the stop valve is confirmed open and the error persists, contact a qualified technician for further diagnosis.