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HWE10170 GB
1. Error Code
Heatsink temperature sensor (THHS) fault (Indoor unit)
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
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
ACCT sensor circuit fault (Indoor unit)
2. Error definition and error detection method
When abnormal value is detected by the ACCT detection circuit immediately before the inverter starts
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)
5110
Cause Check method and remedy
(1) Loose connector Check the CNTH on the INV board for proper connection.
(2) THHS sensor fault If the problem persists after resuming operation, replace the THHS sensor.
(3) INV board failure If no problems were found with items (1) and (2) above and the problem per-
sists after resuming operation, replace the INV board.
5305
Cause Check method and remedy
(1) INV board failure Refer to [8] 3.2.[1].(page 48)
(2) Fan motor error Refer to [8] 3.2.[4].(page 49)
HWE10170.book 28 ページ ２０１１年７月１９日 火曜日 午後２時５７分
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