Mitsubishi City Multi PEFY-P72NMHSU-E, Technical & Service Manual, Page: 32 / 76

26 - 26 -
HWE10170 GB
1. Error Code
Position detection error at startup (Indoor unit)
2. Error definition and error detection method
Position error is detected by the hall sensor at inverter startup.
3. Cause, Check method and remedy
Refer to section [8] Troubleshooting, item 3. DC fan motor (fan motor/INV board) for error codes related to the inverter.
(page 47)
1. Error Code
Position detection error during operation (Indoor unit)
2. Error definition and error detection method
Position error is detected by the hall sensor during operation.
3. Cause, Check method and remedy
Refer to section [8] Troubleshooting, item 3. DC fan motor (fan motor/INV board) for error codes related to the inverter.
(page 47)
4255
Cause Check method and remedy
(1) Loose connector Check the CNCT1 and CNINV connectors on the
INV board for proper connection.
(2) Inverter failure or fan motor error 1) Refer to [8] 3.2.[2].(page 48)
2) Refer to [8] 3.2.[3].(page 49)
4255
Cause Check method and remedy
(1) Loose connector Check the CNCT1 and CNINV connectors on the
INV board for proper connection.
(2) Inverter failure or fan motor error 1) Refer to [8] 3.2.[2].(page 48)
2) Refer to [8] 3.2.[3].(page 49)
HWE10170.book 26 ページ ２０１１年７月１９日 火曜日 午後２時５７分