Mitsubishi Electric PURY-RP200 Service Handbook page 179

[ IX Troubleshooting ]
1. Error Code
4220
4225
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.
In the case of 4220: INV board
In the case of 4225: Fan board
Refer to section -7- "Inverter" under part [4] Troubleshooting Principal Parts for error codes related to the inverter.(page 250)
1. Error Code
4220
4225
VDC error (Detail code 110)
2. Error definition and error detection method
Bus voltage abnormality
If Vdc 400V or Vdc
3. Cause, check method and remedy
Same as detail code No.108 and 109 of 4220 error
Refer to section -7-"Inverter" under part [4] Troubleshooting Principal Parts for error codes related to the inverter.(page 250)
HWE10020
160V is detected. (H/W detection)
- 170 -
GB