Check code |
| Check code name | Possible causes | ||
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[P12] |
| Malfunction of I/U fan motor | A Failure of fan motor connector | ||
(New code) |
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| B Failure of fan motor | |
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| C Failure of I/U board | |
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| D Failure of cross flow fan shaft | |
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| When AC cord is plugged |
| P. C. board | |
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| in, I/U fan starts rotating. |
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Check the fan motor output DC voltage on the I/U board.
Check voltage on the motor |
| connector CN210 pin C (GND, |
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| (Blue) | |||||||
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black) and | pin E (+V line, |
| yellow) while fan is rotating. | Yellow | (Yellow) | |||||||
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| (White) | ||
| 1.0VDC or |
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| Below 1.0VDC |
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| (Black) | |||||
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| Black | ||||||||
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| Failure of I/U |
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| Failure of I/U fan |
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| (Red) | |||
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| motor |
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