With the situation of air pollution becoming more and more serious, there have been peak smog weather in many areas of China. The appearance of household air purifiers in China in recent years has immediately become the best-selling home appliance products in the home appliance market. In the process of using air purifier products, how to solve some problems if you encounter some problems? Maybe you will think, you can't get it directly after the sale? If it is not timely after the sale, it will cause more serious damage to the machine. ? After the call is connected to the phone, ask what kind of fault you are, how do you answer? Let's learn the common faults and solutions of the air purifier together! Fault 1: The high voltage indicator does not light, the fan does not turn Solution: 1. Check if the fuse is blown. If it is broken, check the cause and replace it. 2. Check if the booster transformer coil is burnt out. Use a multimeter to measure its resistance. If the coil is open or shorted, replace the same type of transformer. 3. Check if the rectifier and capacitor of the voltage doubler rectifier circuit are damaged and the oscillator stops vibration. Use a multimeter to detect the relevant components one by one, and then change the far-sightedness of the burnout to eliminate the fault. Fault 2: The high voltage indicator is on, but the fan does not turn. Solution: 1. Check if the fan blade is stuck by foreign matter, if the bearing is seriously worn, if there is no abnormality, then check if the motor lead is broken and the winding is damaged. It can be measured with a multimeter. If the winding is open or open, replace the fan motor of the same specification. In the case of a negative ion air purifier, the following faults may also occur: Fault 3: Negative ion generator Solution: 1. Use a pair of tweezers to calibrate the pole piece. If it still ignites, move the air purifier to a dry place for air trials, generally to troubleshoot. Fault 4: Low concentration of negative ion output Solution: first remove the dirt on the filter and electrode, and correct the positive and negative plates. If it is invalid, check the high voltage generating circuit and check the step-up transformer, rectifier, capacitor, etc. with a multimeter.
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