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Error code

Mitsubishi Electric PUHY code 5301

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Meaning

ACCT sensor fault (Detail code 115): When the formula "output current < 2 Arms" remains satisfied for 10 seconds while the inverter is in operation. | ACCT sensor fault (Detail code 115): When the formula "output current < 1.5 Arms" remains satisfied for 10 seconds while the inverter is in operation. | (P168 model only) DCCT sensor fault (Detail code116): 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 | (P168 model only) DCCT sensor circuit fault (Detail code118): When an error value is detected with the DCCT detection circuit just before the inverter starts | Open-circuited IPM/Loose ACCT connector (Detail code 119): Presence of enough current cannot be detected during the self-diagnostic operation immediately before inverter startup. | 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) | Faulty ACCT wiring (Detail code 120): Presence of target current cannot be detected during the self-diagnostic operation immediately before startup.

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Possible causes

(1) Inverter open output phase (2) Compressor failure (3) INV board failure (4) Contact failure (5) ACCT sensor failure (1) Contact failure (2) Misorientation (3) DCCT sensor failure (4) INV board failure (1) INV board failure (2) INV board failure (4) Compressor failure (5) Inverter failure (1) Inverter output wiring problem (2) Inverter failure (3) Compressor failure (1) ACCT sensor disconnection (2) ACCT sensor failure (3) Inverter failure (1) Wrongly mounted ACCT sensor (1) Error code definition Position detection error at startup (Detail (1) Outdoor factors (2) Contact failure and faulty fan motor wiring (3) Fan board failure (4) Fan motor error

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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