Error code
Mitsubishi Electric CMB code 5301
No approved translation for this record yet; showing the original text.
Meaning
DCCT sensor fault (Detail code 116): When the bus current less than 18 Apeak is detected at startup (6Hz) | ACCT sensor circuit fault (Detail code 117): When an error value is detected with the ACCT detection circuit just before the inverter starts | DCCT sensor circuit fault (Detail code 118): When an error value is detected with the DCCT detection circuit just before the inverter starts. | Faulty ACCT wiring (Detail code 120): Presence of target current cannot be detected during the self-diagnostic operation immediately before startup. (Detection of improperly mounted ACCT sensor) | DCL Current sensor circuit fault (Detail code 127): When an abnormal value is detected by the DCL current sensor detection circuit
Member details
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View details as a memberPossible causes
(1) Contact failure (2) Misorientation (3) DCCT sensor failure (4) INV board failure (1) INV board failure (2) Compressor failure (2) INV board failure (4) Compressor failure (1) Inverter output wiring problem (2) Inverter failure (3) Compressor failure (3) INV board failure
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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