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Error code

Mitsubishi Electric PUHY code 5305

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Meaning

abnormality (Error details No.115) DCCT sensor abnormality (Error details No.118) ✻ Other than P200 model ACCT sensor/circuit abnormality (Error details No.117) DCCT sensor/circuit abnormality (Error details No.116) ✻ Other than P200 model ✻ For the check code on: effective value 1.5Arms was detected during inverter operation. An abnormal value is detected in the DCCT detection circuit just before the INV started. An abnormal value was detected with the ACCT detection circuit just before the INV started. An abnormal value was detected with the DCCT detection circuit just before the INV started. “ the inverter, refer to 6. Inverter and | open/ACCT connection abnormality (Error details No.119) ACCT miss-wiring abnormality (Error details No.120) ✻ For the check code on ACCT-U ←Compressor-input phase U 2. Communication/system Checking Meaning, code: dislocation was detected just before INV started. (Sufficient current was not detected during self-diagnosis just before (2) Wire connection starting.) (3) ACCT is faulty. (4) Compressor (5) Inverter circuit Improper installation of the (1) ACCT sensor ACCT sensor was detected. installed. “ ” the inverter, refer to 6. Inverter and compressor in the →IPM-output ←Compressor-input phase U phase U Red wire errors detecting method Cause

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Possible causes

(2) ACCT sensor is faulty. (1) Contact is faulty. (2) DCCT sensor incorrectly installed. (3) DCCT sensor is faulty. (4) INV board fault. (1) INV board fault. (2) Compressor ground fault and IPM fault. (2) INV board fault. (4) Compressor ground fault and IPM fault. ” “ compressor in the section [4] Troubleshooting connection installation is faulty. Refer incorrectly “Current “ section [4] Troubleshooting W Checking

Solution

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