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The hair dryer suddenly didn't respond when it was used. What happened?
Depending on whether your electric fan is 380V or 220v, there are only four common situations when the electric fan is broken.

First of all, natural jitter leads to false welding of internal circuits.

Second, the starting capacitor inside is broken (generally manifested as insufficient capacity). At this time, check with a tool to know if the capacitor is broken.

Third, the motor burned out. Generally, when burned, you can only sell scrap iron.

Fourth, if the hair dryer is used for a long time, the heat inside the machine will be too high, which will lead to the burning of components or hair loss. Therefore, when it reaches a certain temperature, the overheat protection function will be turned on, and the machine will automatically stop running, and then it will return to normal when it cools down.

Extended data:

How to choose a hair dryer

1, hair dryer power supply

Different people need different blower power. When buying a hair dryer, the power of your own hair dryer is actually different. Friends with shorter or less hair had better choose a hair dryer with lower power, while friends with longer and more hair had better buy a hair dryer with higher power if they want to dry their hair quickly.

Step 2 consider noise

Many hair dryers are very noisy when used, which can easily affect themselves and others. Usually, the hair dryer products with better quality are relatively quiet when used. When you buy it, you should turn on the hair dryer first to see if it is noisy.

Step 3 check the details

When buying a hair dryer, you can check the settings of the hair dryer in some details to see if there is any leakage or other defects.

Step 4 choose a folding hair dryer

If you are a friend who often goes out, it is recommended to buy a compact and practical hair dryer, which can be folded and put in a suitcase for easy take-away.

References:

Hair dryer-Baidu encyclopedia