Outdoor Red LED Flashes 3 times — Remote controller wiring fault

What does Outdoor Red LED 3 flashes mean?

The outdoor unit's red LED flashes three times, indicating an issue with the remote controller wiring. This can be caused by reversed connections or a broken wire.

• Remote controller X & Y connections are reversed
• Remote controller Y & Z connections are reversed
• Remote controller wiring is open circuit (e.g., X or Z wire broken)

Click steps to track your progress.

1. 1

   Check the wiring connections for the remote controller, ensuring X, Y, and Z wires are correctly connected and not reversed.

2. 2

   Inspect the remote controller wiring for any visible damage or breaks.

3. 3

   Ensure all wiring terminals are secure and not loose.

4. 4

   If the problem continues, consult with an installer or service technician.