Red Blinks, Green 7 Pulses, Yellow Off (AUY, ABY & AWY) — High Discharge or Compressor Temperature

What does High Discharge or Compressor Temp (AUY, ABY & AWY) mean?

The red LED blinks, the green LED shows 7 pulses, and the yellow LED is off. This indicates that either the compressor discharge temperature or the compressor's internal temperature is too high.

• Low refrigerant charge.
• Dirty outdoor coils or airflow obstruction.
• Outdoor fan malfunction.
• Compressor internal issues.

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the circuit breaker and allow it to cool down for at least 30 minutes.

2. 2

   Inspect the outdoor unit for any debris or blockages affecting airflow.

3. 3

   Ensure the outdoor fan is functioning correctly when the unit attempts to start (after restoring power).

4. 4

   If the issue persists, contact a professional HVAC technician for diagnosis of the refrigeration system.