OPERATION INDICATOR lamp blinks 7 times (Pattern B) - Communication error between indoor and outdoor units

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The OPERATION INDICATOR lamp blinks seven times in 'Output pattern B', indicating a communication error between the indoor and outdoor units.

• Communication error between indoor and outdoor units.
• Faulty wiring.
• Noise interference.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

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

2. 2

   Verify that no noise is entering 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.