24- 24 -
HWE10170 GB
1. Error Code
IPM error (Indoor unit)
2. Error definition and error detection method
IPM error signal is detected.
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
Instantaneous overcurrent (Indoor unit)
Overcurrent (Indoor unit)
2. Error definition and error detection method
Overcurrent 18 Arms and above is detected by the current sensor.
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) Power supply environment Check the power supply voltage.
Check whether the power voltage is 176V or above across all phases.
(2) Static pressure setting error Check that the static pressure setting and the design static pressure
are correct.
(3) Inverter failure or fan motor error 1) Refer to [8] 3.2.[1].(page 48)
2) Refer to [8] 3.2.[2].(page 48)
3) Refer to [8] 3.2.[3].(page 49)
4) Refer to [8] 3.2.[4].(page 49)
4255
Cause Check method and remedy
(1) Power supply environment Check the power supply voltage.
Check whether the power voltage is 176V or above across all
phases.
(2) Static pressure setting error Check that the static pressure setting and the design static pres-
sure are correct.
(3) Inverter failure or fan motor error 1) Refer to [8] 3.2.[1].(page 48)
2) Refer to [8] 3.2.[2].(page 48)
3) Refer to [8] 3.2.[3].(page 49)
4) Refer to [8] 3.2.[4].(page 49)
HWE10170.book 24 ページ ２０１１年７月１９日 火曜日 午後２時５７分
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