Midea MCA3U-09HRFN1-M(C)

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17.4.24 Communication malfunction between indoor two chips diagnosis and solution (FA)
Error Code
FA
Malfunction conditions
Indoor PCB main chip does not receive feedback from another
chip.
Potential causes
● Faulty PCB
Trouble shooting:
Shut off the power supply and
turn it on 2 minutes later.
Is it still displaying
the error code?
YES
Replace the indoor main
PCB.
The unit is operating normally. NO