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Time：2022-02-28Views：0
Common faults of cooling fans are:
1. When the cooling fan is rotating in use, sometimes a "da-da" collision sound is heard, and sometimes there is no sound. It turns out that the data cables and power cables are densely scattered in the cooling fan. Sometimes the wire ends touch the fan blades of the fan, which causes the cooling fan to make an abnormal noise when it rotates.
Solution: Bundle the data cables and power cables in the half-fan like rubber bands, tapes, etc., to avoid passing over the cooling fan.
2. The fault phenomenon of the cooling fan is that the cooling fan was used normally in the early stage, but suddenly it was found that the fan moved to a fixed position automatically. After investigation, it turned out that the fastener for fixing the radiator failed, and the resonance phenomenon caused by the rotation of the fan , resulting in fan displacement.
Solution: Replace with a new buckle.
3. When the cooling fan is in use, it suddenly makes a characteristic noisy noise, which is even louder than the sound of the chassis power supply. This is because too much dust has accumulated on the surface of the cooling fan and the gap of the radiator. The fan's motor oil has completely dried out, so it makes a motor-like roar.
Solution: We can separate the cooling fan from the radiator first, and the radiator can be cleaned directly with tap water. Wipe the cooling fan with soft paper first, and use a medical swab to wipe the gap. Open the plastic sticker of the fan, and drop one or two drops of ordinary sewing machine oil into the movement.
4. If some cooling fans are used for less than a week, there will be excessive noise and poor rotation. The speed of the fan is relatively slow and the noise is relatively loud, and it will return to the normal state after a period of time. The reason for this situation is generally because the indoor temperature where the cooling fan is located is low, causing the lubricating oil on the rotating bearing. invalid.
Solution: Add antifreeze lubricant to the cooling fan, pay attention to the temperature of the operating environment, and pay attention to its maintenance.
The common faults of cooling fans and their solutions are introduced here. From the above content, we can know that there are many reasons for the failure of cooling fans. Therefore, it is usually necessary to maintain it when using it, so as to prolong its service life.
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