[7-6 Error Code Definitions and Solutions: Codes [4000 - 4999] ]
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HWE12050 GB
7-6-8 Error Codes [4220, 4225, 4226] Detail Code 109
1. Error code definition
Abnormal bus voltage rise (Detail code 109)
2. Error definition and error detection method
If Vdc 830V is detected during inverter operation.
3. Cause, check method and remedy
(1) Different voltage connection
Check the power supply voltage on the power supply terminal block (TB1).
(2) INV board failure
If the problem recurs, replace the INV board or fan board.
In the case of 4220: INV board
In the case of 4225: Fan board
In the case of 4226: Fan board (Fan box side)
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems](page 234)
7-6-9 Error Codes [4220, 4225, 4226] Detail Code 111
1. Error code definition
Logic error (Detail code 111)
2. Error definition and error detection method
H/W error
If only the H/W error logic circuit operates, and no identifiable error is detected.
3. Cause, Check method and remedy
In the case of 4220
In the case of 4225 and 4226
For inverter-related error codes, refer to the following page(s). [8-9 Troubleshooting Inverter Problems](page 234)
Cause Check method and remedy
(1) External noise
(2) INV board failure Refer to the following page(s). [8-9-2 Checking the Inverter Board Error Detection
Circuit](page 236)
Cause Check method and remedy
(1) External noise
(2) Fan board failure Refer to the following page(s).
[8-9-7 Checking the Fan Board Error Detection Circuit at No Load](page 237)
[8-9-8 Checking the Fan Inverter for Damage at No Load](page 238)
[8-9-9 Checking the Fan Inverter for Damage with Load](page 239)
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