Red 4 Flashes, Green 2 Flashes (Single System) — Forced Auto Switch Welded

What does Red 4 Flashes, Green 2 Flashes mean?

The red LED flashes four times and the green LED flashes two times on the indoor unit. This indicates that the forced auto switch (manual operation switch) is stuck in the 'on' or 'welded' position.

• Physical damage or defect in the forced auto switch.
• Electrical short or component failure related to the switch circuit.
• Contamination affecting the switch's operation.

Click steps to track your progress.

1. 1

   Turn off the air conditioner's power supply from the circuit breaker.

2. 2

   Ensure the manual/auto switch on the indoor unit (if accessible) is not physically stuck.

3. 3

   Restore power after a brief wait.

4. 4

   If the error remains, the switch or associated circuitry may need professional repair or replacement.