Red 8 Flashes, Green 3 Flashes (Single System) — Active Filter AFM Fail 2nd Time

What does Red 8 Flashes, Green 3 Flashes mean?

The red LED flashes eight times and the green LED flashes three times on the indoor unit. This indicates a second, more persistent failure in the Active Filter Module (AFM).

• Persistent malfunction of the active filter module.
• Underlying electrical issue impacting AFM operation.
• Faulty AFM component requiring replacement.

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main power supply and leave it off for several minutes.

2. 2

   Restore power to the unit.

3. 3

   If the AFM fail error reoccurs, it suggests a recurring problem.

4. 4

   Contact a qualified HVAC technician for a thorough inspection and repair of the active filter module.