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Midea M3OF-27HFN1-M - Communication Malfunction between Indoor and Outdoor Units

Midea M3OF-27HFN1-M
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40
7.4.1.2 Communication malfunction between indoor and outdoor units diagnosis and
solution.
Malfunction conditions
If indoor unit does not receive the feedback from outdoor unit
during 120 seconds.
Potential causes
● Wiring mistake
● Faulty indoor or outdoor PCB
Trouble shooting:

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