Error Code 5110 - Mitsubishi Electric PQHY-P72TYHMU-A Service Handbook

[ IX Troubleshooting ]
1. Error Code
5110
Heatsink temperature sensor (THHS) fault (Detail code 01)
2. Error definition and error detection method
When a short or an open of THHS is detected just before or during the inverter operation.
3. Cause, check method and remedy
Cause
(1) INV board failure
Refer to section -6- "Inverter " under part [4] Troubleshooting Principal Parts for error codes related to the inverter.
HWE09080
Check method and remedy
If the problem recurs when the unit is put into operation, replace
the INV board.
- 261 - GB