[ IX Troubleshooting ]
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HWE1018A GB
1. Error Code
Instantaneous overcurrent (Detail code 106)
Overcurrent (Detail code 107)
2. Error definition and error detection method
P250 model
Overcurrent 94 Apeak or 22 Arms and above is detected by the current sensor.
3. Cause, check method and remedy
Refer to section -6- "Inverter" under part [4] Troubleshooting Principal Parts for error codes related to the inverter.(page 191)
1. Error Code
Short-circuited IPM/Ground fault (Detail code 104)
2. Error definition and error detection method
When IPM/IGBT short damage or grounding on the load side is detected just before starting the inverter.
3. Cause, check method and remedy
In the case of 4250
In the case of 4255
Refer to section -6- "Inverter" under part [4] Troubleshooting Principal Parts for error codes related to the inverter.(page 191)
4250
Cause Check method and remedy
(1) Inverter output related Refer to IX [4] -6- (2) [1] - [4].(page 193)
Check the IGBT module resistance value of the INV board, if no
problems are found.
(Refer to the Trouble shooting for IGBT module)
4250
4255
Cause Check method and remedy
(1) Grounding fault compressor Refer to IX [4] -6- (2) [2].(page 193)
(2) Inverter output related Refer to IX [4] -6- (2) [1] - [4].(page 193)
Cause Check method and remedy
(1) Grounding fault of fan motor Refer to IX [4] -6- (2) [5].(page 194)
(2) Fan board failure Refer to IX [4] -6- (2) [6].(page 194)
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