Red Blinks, Green 2 Pulses, Yellow Off (AUY, ABY & AWY) — Outdoor Power Connection Failure

What does OD Power Connection Failure (AUY, ABY & AWY) mean?

The red LED blinks, the green LED shows 2 pulses, and the yellow LED is off. This indicates a problem with the power connection to the outdoor unit.

• Loose electrical connections to the outdoor unit.
• Incorrect power supply.
• Damaged power wiring.

Click steps to track your progress.

1. 1

   Turn off the main power supply to the air conditioner.

2. 2

   Check the circuit breaker for the outdoor unit to ensure it hasn't tripped.

3. 3

   Visually inspect external power connections for security and damage (if safely accessible).

4. 4

   Restore power; if the issue remains, an electrician or HVAC technician should be called.