Error code
Mitsubishi Electric klima code 0403
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Meaning
Serial communication error: Serial communication error between the control board and the INV board on the compressor. Detail code 01: Between the control board and the INV board | Panel communication error (Indoor unit): This error is detected when indoor units cannot successfully receive the signals from the Auto filter cleaning unit for one minute.
Member details
Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.
View details as a memberPossible causes
(3) Communication wire that connects the circuit board on the indoor unit and the circuit board on the cleaning unit is loose. (4) Panel transceiver circuit fault (cleaning unit) (5) Panel transceiver circuit fault (indoor unit) (6) Electrical interference on the cleaning unit's communication cable
Solution
Solution steps are not shared for faults that may be dangerous.
No do-it-yourself solution is given for this fault. For your safety, call an authorised service.
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Address of this page: https://www.remfixit.com/tr/mitsubishi-electric/klima/0403