Red 3 Flashes, Green 3 Flashes (Single System) — Outdoor Pipe Sensor Failure

What does Red 3 Flashes, Green 3 Flashes mean?

Both the red and green LED lights on the indoor unit flash three times simultaneously. This indicates a problem with the outdoor unit's pipe temperature sensor.

• Loose or corroded connections for the outdoor pipe sensor.
• Damaged outdoor pipe sensor or its wiring.
• Fault on the outdoor unit's main circuit board.

Click steps to track your progress.

1. 1

   Switch off the power supply to the entire air conditioning system.

2. 2

   Wait for a short period (e.g., 30 seconds) before switching the power back on.

3. 3

   If the error persists, professional inspection of the outdoor unit's sensor and wiring is recommended.

4. 4

   Ensure the outdoor unit's pipework is clear and free from debris.