Red Blinks, Green 5 Pulses, Yellow Blinks (AUY, ABY & AWY) — Outdoor Unit Discharge Sensor Short Circuit

What does OD Unit Disch Sensor Short (AUY, ABY & AWY) mean?

The red LED blinks, the green LED shows 5 pulses, and the yellow LED blinks. This indicates a short circuit in the outdoor unit's discharge temperature sensor or its wiring.

• Internal short in the discharge sensor.
• Wiring short due to damage or moisture.
• Faulty outdoor unit control module.

Click steps to track your progress.

1. 1

   Turn off the power to the air conditioning system at the main breaker.

2. 2

   Visually inspect the outdoor unit's sensor wiring for any damage or moisture.

3. 3

   Restore power after a short wait.

4. 4

   A qualified technician is required to diagnose and repair short circuits within the unit.