portable air purifier.Reasons and measures for humidifiers not fogging

　　1. The humidifier atomizer has malfunctioned. At this time, open the bottom cover and check whether the fuse is burned. If the fuse is good, try turning the potentiometer on the circuit board clockwise for a quarter of a turn. If it is a humidifier or not, consider replacing the atomizer.

　　2. The fan is malfunctioning. If the fan is stuck due to not being used for too long, add some lubricating oil and gently pat it twice to let the fan rotate again. If it doesn't work, go to the after-sales service to see if it works.

　　3. The humidifier was not regularly cleaned and maintained. In this case, it is recommended to regularly clean the humidifier. Generally speaking, it is better to clean the humidifier about once a week.

　　4. Long term use of tap water. Many failures of humidifiers are caused by scale, so the water storage tank and liquid level detection part of the humidifier should be cleaned regularly to prevent dirt deposition. If conditions permit, pure water can be considered as humidifier water.

　　5. Scaling, inefficiency, or failure of the energy exchange plate. Check for cracks, defects, smooth surface silver layer, peeling, and bubbling on the energy exchange plate. It is mostly caused by the aging and leakage of the waterproof gasket, which makes the reverse side of the energy exchange plate damp or dirty. You can use anhydrous alcohol cotton to gently wipe the dirt on both sides and dry it with a hair dryer. In addition, the energy exchange plate should be cleaned and descaled regularly.

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