Red Blinks, Green 12 Pulses, Yellow Off (AUY, ABY & AWY) — Active Filter Module Error

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

The red LED blinks, the green LED shows 12 pulses, and the yellow LED is off. This indicates an error with the Active Filter Module (AFM), which is part of the power electronics.

• Malfunction of the active filter module.
• Intermittent power supply issues.
• Component failure within the AFM circuit.

Click steps to track your progress.

1. 1

   Power cycle the air conditioner by switching off its circuit breaker for at least 30 seconds.

2. 2

   Restore power and observe if the unit starts normally without the error.

3. 3

   If the error reoccurs, it suggests a persistent problem with the active filter module.

4. 4

   Contact a qualified HVAC technician for further diagnostics and repair.