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Mitsubishi Electric PURY-RP200 Service Handbook page 193

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[ IX Troubleshooting ]
1. Error Code
5301
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
Refer to section -7- "Inverter" under part [4] Troubleshooting Principal Parts for error codes related to the inverter.(page 250)
1. Error Code
5301
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
Refer to section -7- "Inverter" under part [4] Troubleshooting Principal Parts for error codes related to the inverter.(page 250)
HWE10020
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 IX [4] -7- (2) [3], [4].(page 253)
Refer to IX [4] -7- (2) [2].(page 252)
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 IX [4] -7- (2) [3], [4].(page 253)
Refer to IX [4] -7- (2) [2].(page 252)
- 184 -
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