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Red 6 Flashes, Green 3 Flashes

Red 6 Flashes, Green 3 Flashes (Single System) — Indoor Fan Motor Rotation Error

Fujitsu · Air Conditioners

What does Red 6 Flashes, Green 3 Flashes mean?

The red LED flashes six times and the green LED flashes three times on the indoor unit. This indicates an error with the rotation of the indoor fan motor, meaning it's not spinning at the correct speed or not at all.

Common Causes

  • Worn-out indoor fan motor bearings.
  • Partial obstruction affecting fan rotation.
  • Faulty motor control circuit or speed sensor.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioning unit at the main power supply.

  2. 2

    Remove the indoor unit's filter and check for any debris that might impede the fan's movement.

  3. 3

    Restore power after a few moments and try operating the unit again.

  4. 4

    If the fan still doesn't operate correctly, contact a qualified technician for motor inspection or replacement.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

AFM Filter Error (AUY, ABY & AWY)Red Blinks, Green 12 Pulses, Yellow Off (AUY, ABY & AWY) — Active Filter Module ErrorAir Sensor Closed (AUY, ABY & AWY)Red 2 Pulses, Green Blinks, Yellow Blinks (AUY, ABY & AWY) — Air Sensor Closed Circuit (Short)Air Sensor Open (AUY, ABY & AWY)Red 2 Pulses, Green Blinks, Yellow Off (AUY, ABY & AWY) — Air Sensor Open Circuit
Source: Fujitsu Air Conditioners
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