![Damper](/images/new-backgrounds/84020/8402079x1.webp)
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| Checking flow |
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5 | Damper checking method. |
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Test |
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| Damper |
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| Inputting TEST Mode, |
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| SVC Action |
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| Mode |
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| Check the damper and PCB. |
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| 1 Mode |
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| Open |
| Damper is normal. |
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| (Check the Damper) |
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| 2 Mode |
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| Closed |
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| 1,2 |
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| Not |
| Change the damper |
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| working |
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| Test Point | Result |
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| SVC Action |
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| (1) to (2) | 270 ~330 |
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| Normal |
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| (3) |
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| (1) | Other |
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| Change damper |
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| 270 ~330 |
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| Normal |
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| (4) | (3) to (4) |
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| Other |
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6 | Check the Fan motor. |
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Point |
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| SVC Action |
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| Rotate fan using your hand. |
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| Motor |
| Stuck |
| Change the motor |
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| It feel stuck or locked up, change the |
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| motor. |
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| (Cause of ice or rust inside of motor) |
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7 | Check the F Fan motor voltage. |
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Point | Result | SVC Action | ||||||||
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| (2) | (1) ~ (2) | Below 12 V | Change the PCB | ||||
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| (2) ~ (3) | 0 or 5 V | Change the motor | |
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| (1) (3) |
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| <CON4> |
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