Microwave ovens are most commonly used to heat and cook food in daily life, which greatly facilitates people's lives. Usually, electrical appliances will have some faults in use, and induction cookers are no exception. The most common fault problem of induction cooker is that it does not generate heat. The specific performance is: 1, is the light on? 2, can not be heated. These are all things that can't be heated with electricity. There are three main reasons why microwave ovens cannot be heated: 1. The voltage is too low. The high-voltage safety tube of the microwave oven is broken. 3. The high voltage diode leaks. These three reasons will be answered in detail below. Users with strong hands-on ability can solve it by themselves by combining the methods provided in this article, and children's shoes that know nothing about electrical maintenance can be solved by telephone after sale. The solutions to these two reasons are also applicable to the failure phenomena such as Midea microwave oven not heating and Galanz microwave oven not heating.

When the voltage is lower than 187V, the microwave oven will not be heated. Because the high voltage transformer in the microwave oven must be higher than 187V to work normally, it is suggested to avoid the peak period when the voltage is low. To eliminate the first reason, you can use a multimeter to troubleshoot the microwave oven in order to solve the problem faster.

The specific steps are as follows:

1. Troubleshooting for non-heating: Dismantle the microwave oven shell, first discharge the high-voltage capacitor, and set the multimeter at r× 1kω. Detect components that are more prone to failure. For example: high-voltage fuse, high-voltage transformer, high-voltage capacitor, high-voltage diode, magnetron. As we all know, the fuse is blown mainly because of excessive current. When testing with a multimeter, it is necessary to put the multimeter in the R×10KΩ range and test the high-voltage capacitor and high-voltage diode again. It is found that the high voltage diode has resistance in both forward and reverse directions, which is about150kΩ under normal conditions, and the reverse direction is infinite. Therefore, it is necessary to judge the leakage of the high-voltage diode, replace the high-voltage diode and fuse, and troubleshoot.

2. How to replace the fuse of the microwave oven: 1. Know the location of the fuse: disassemble the shell of the induction cooker, and the fuse of the induction cooker is located at the bottom between the transformer and the fan. Open the shell of the microwave oven and look for it along the power cord. You will find a "small plastic box" with a safety tube inside. ? Thirdly, remove the fuse with plastic shell and replace it with the fuse of the same specification for debugging. It is suggested to put a bowl of water on the turntable.

Summary: Knowing the above three reasons, in order to avoid the microwave oven not heating, it is recommended not to use the microwave oven when most household appliances are working, so as not to cause the fuse of the microwave oven to blow.

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