Outdoor Board LED1 (green) blinks twice and LED2 (red) blinks five times alternately - Indoor/outdoor unit communication error (signal receiving error detected by indoor unit)

Was bedeutet E6, E7 ?

During startup or operation, the outdoor unit's LED1 (green) blinks twice and LED2 (red) blinks five times alternately, indicating an indoor/outdoor unit communication error, specifically a signal receiving error detected by the indoor unit.

• Indoor/outdoor unit communication error (signal receiving error).
• Noise entering into indoor/outdoor connecting wire or power supply.
• Faulty communication module.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check if the indoor/outdoor connecting wire is connected correctly.

2. 2

   Check if noise is entering into the indoor/outdoor connecting wire or power supply.

3. 3

   Re-check the error by turning off the main power, waiting, and turning it back on.