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● 24*7 online service support ● Articles in the hair dryer industry ● Sometimes maybe Discount
● 24*7 online service support ● Articles in the hair dryer industry ● Sometimes maybe Discount
Time：2023-10-21 Views：1
If the hair dryer is not powered on, it is necessary to check if the power supply is loose or if the solder joints inside have fallen off. If it is not powered on, it can be easily disassembled and connected by oneself. Generally, if the hair dryer is not powered on, it may be because the solder joints have fallen off. Check first and if it is not working, take it to a repair shop for repair. If the hair dryer suddenly stops working during use, it may be because the temperature is too high and the temperature control device automatically cuts off the power supply. Once the temperature drops, it can be used. If the hair dryer malfunctions, follow the four steps of detection to see what the cause is. 1. Confirm that the power is connected. 2. Confirm that the switch is turned on. 3. Smell if there is any burning. If the switch is turned on, the power is turned on, and suddenly stops, and after more than ten minutes, it can be restored, indicating that the temperature of the hair dryer is too high, and the overheat protector (temperature controller) is disconnected, which is for safety reasons. If it cannot be restored, it indicates that the hair dryer is broken, and there may be poor plug contact.
Tools/raw materials
Maintenance tools: multimeter, screwdriver, tape, electric soldering iron
Method/Step
In the first case, if the wire is burnt or the switch is malfunctioning, a multimeter buzzer can be used to detect it. Replace it
2. In the second case, the electric heating wire is short circuited or burnt out, and under normal circumstances, its resistance value is within 10~100 Ω. The resistance range of a multimeter can be used for detection.
3. In the third case, the rectifier bridge stack is burned out, and the diode range of the multimeter can be detected. Under normal circumstances, the forward voltage drop is about 480 volts. If the detection is abnormal, you can go to the electronic market to buy a replacement diode, and pay attention to the direction when manual welding.
4. In the fourth case, the DC motor is burnt out. Common faults include open circuit in the winding, broken brushes, and stuck spindle. You can purchase the same model of motor online or on Taobao to replace it.
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