[7-7 Error Code Definitions and Solutions: Codes [5000 - 5999] ]
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HWE12050 GB
7 Troubleshooting Using Error Codes
7-7-7 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
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems](page 234)
7-7-8 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
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems](page 234)
Cause Check method and remedy
(1) Inverter output wiring problem Check output wiring connections.
Confirm that the U- and W-phase output cables are put through CT12
and CT22 on the INV board respectively.
(2) Inverter failure Refer to the following page(s).
[8-9-4 Checking the Inverter for Damage at No-Load](page 236)
[8-9-5 Checking the Inverter for Damage during Compressor Opera-
tion](page 237)
(3) Compressor failure Refer to the following page(s).
[8-9-3 Checking the Compressor for Ground Fault and Coil Resis-
tance Problems](page 236)
Cause Check method and remedy
(1) Inverter output wiring problem Check output wiring connections.
Confirm that the U- and W-phase output cables are put through CT12
and CT22 on the INV board respectively.
(2) Inverter failure Refer to the following page(s).
[8-9-4 Checking the Inverter for Damage at No-Load](page 236)
[8-9-5 Checking the Inverter for Damage during Compressor Opera-
tion](page 237)
(3) Compressor failure Refer to the following page(s).
[8-9-3 Checking the Compressor for Ground Fault and Coil Resis-
tance Problems](page 236)
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