2 red flashes — Communication error between indoor and outdoor units

What does 2 red flashes mean?

This blinking pattern typically signifies a communication error between the indoor and outdoor units. It could be due to wiring issues or a fault in one of the units.

• Loose or damaged wiring between indoor and outdoor units.
• A fault in the indoor unit's communication components.
• A fault in the outdoor unit's communication components.

Click steps to track your progress.

1. 1

   Check all wiring connections between the indoor and outdoor units for looseness or damage.

2. 2

   Ensure there are no obstructions affecting the communication signal.

3. 3

   If wiring appears intact, consult a service technician to diagnose potential faults in either unit.