Red Blinks, Green 10 Pulses, Yellow Off (AUY, ABY & AWY) — IPM Error

What does IPM Error (AUY, ABY & AWY) mean?

The red LED blinks, the green LED shows 10 pulses, and the yellow LED is off. This indicates an error with the Intelligent Power Module (IPM), which controls the compressor's inverter.

• Overcurrent or short circuit in the inverter drive.
• IPM module overheating.
• Component failure within the IPM.

Click steps to track your progress.

1. 1

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

2. 2

   Wait for at least 5 minutes to allow for discharge and cool down.

3. 3

   Restore power and attempt to restart the unit.

4. 4

   An IPM error is a complex internal fault that requires a qualified HVAC technician for diagnosis and repair.