17-time blink 2.5 seconds OFF — Outdoor refrigerant system abnormality

What does 17-time blink 2.5 seconds OFF mean?

The outdoor unit LED blinks 17 times with a 2.5-second pause. This indicates a problem in the outdoor refrigerant system, such as a closed valve or air trapped in the circuit. This is detected by thermistor readings and compressor current.

• Refrigerant gas leak in connecting piping
• Closed stop valve
• Air trapped in the refrigerant circuit

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main circuit breaker.

2. 2

   Check the stop valve to ensure it is fully open.

3. 3

   Visually inspect the refrigerant piping for any signs of leaks or damage.

4. 4

   If the issue persists, a qualified technician should check for gas leaks and inspect the outdoor refrigerant circuit.