Error Code [5301] Detail Code 119; Error Code [5301] Detail Code 120 - Mitsubishi Electric PUHY-P200 Service Handbook

[7-7 Error Code Definitions and Solutions: Codes [5000 - 5999] ]
7-7-8

Error Code [5301] Detail Code 119

1. Error code definition
Open-circuited IPM/Loose ACCT connector (Detail code 119)
2. Error definition and error detection method
Presence of enough current cannot be detected during the self-diagnostic operation immediately before inverter startup.
3. Cause, check method and remedy
Cause
(1) Inverter output wiring problem
(2) Inverter failure
(3) Compressor failure
(4) Connector contact failure (INV30YC
only)
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems](page 264)
7-7-9

Error Code [5301] Detail Code 120

1. Error code definition
Faulty ACCT wiring (Detail code 120)
2. Error definition and error detection method
Presence of target current cannot be detected during the self-diagnostic operation immediately before startup. (Detection of
improperly mounted ACCT sensor)
3. Cause, check method and remedy
Cause
(1) Inverter output wiring problem
(2) Inverter failure
(3) Compressor failure
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems](page 264)
HWE14040
Check method and remedy
Check output wiring connections.
Confirm that the U- and W-phase output cables are put through CT12
and CT22 on the INV board respectively.
Refer to the following page(s).
[8-9-4 Checking the Inverter for Damage at No-Load](page 266)
[8-9-5 Checking the Inverter for Damage during Compressor Opera-
tion](page 267)
Refer to the following page(s).
[8-9-3 Checking the Compressor for Ground Fault and Coil Resis-
tance Problems](page 266)
Check the connection of connector CN10.
Check method and remedy
Check output wiring connections.
Confirm that the U- and W-phase output cables are put through CT12
and CT22 on the INV board respectively.
Refer to the following page(s).
[8-9-4 Checking the Inverter for Damage at No-Load](page 266)
[8-9-5 Checking the Inverter for Damage during Compressor Opera-
tion](page 267)
Refer to the following page(s).
[8-9-3 Checking the Compressor for Ground Fault and Coil Resis-
tance Problems](page 266)
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