Mitsubishi Electric PUHY-RP200 Service Handbook page 190

[ IX Troubleshooting ]
1. Error Code
5301
DCCT sensor circuit fault (Detail code118)
2. Error definition and error detection method
When an error value is detected with the DCCT detection circuit just before the inverter starts
3. Cause, check method and remedy
Cause
(1) Contact failure
(2) INV board failure
(3) DCCT sensor failure
(4) Compressor failure
(5) Inverter failure
Refer to section -6-"Inverter" under part [4] Troubleshooting Principal Parts for error codes related to the inverter.(page 234)
HWE10130
Check method and remedy
Check for good contact of the INV board connector CNCT and the connec-
tor on the DCCT side.
Refer to IX [4]-6-(2) [1].(page 236)
Replace the DCCT sensor.
Refer to IX [4] -6- (2) [2].(page 236)
Refer to IX [4] -6-.(page 234)
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