Cause hardware damage. This situation often occurs around cooling fans such as CPU, power supply, hard disk, graphics card, etc. In places with light dust accumulation, timing can be adopted if normal production allows. Where the dust accumulation is serious, the dust filter gauze can be placed at the ventilation place of the industrial control cabinet and cleaned regularly. The power supply voltage fluctuates greatly and is easy to be cut off. With the rapid development of industry and life, the demand for electricity is also increasing day by day. In many areas, there are insufficient power supply, unstable voltage and easy power failure. Unstable voltage and sudden power failure cause the system to restart frequently, and the system files are easy to be lost and start impermanently; Sometimes, the magnetic head that is performing read-write action will not return due to power failure, resulting in disk failure of industrial computer. Therefore, the stability of the power supply in the working environment of the industrial computer is related to the normal operation of the industrial computer. We can use regulated power supply and UPS uninterruptible power supply for protection. The specific equipment selection depends on the load power and the number of working hours to be maintained.
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