to repair the induction cooker in Songtao county, Guizhou province, you can search the repair address through the map APP, or make an appointment for home repair with 58 cities. No matter what is wrong with the induction cooker, after replacing the components, don't rush to connect the coil to test the machine, which will cause igbt, safety tube and even rectifier bridge to burn out. Under the condition of no terminal board, the voltages at various points, such as 5v, 12v, 21v (some 18v, 22v) and the waveform output by the driving circuit, can also be tested with a digital multimeter in 21v range. All induction cookers have pot detection, which takes about 31 seconds. To detect the drive output, it is necessary to turn it off within 31 seconds of starting. If you can't see clearly, you can turn it off and turn it on again. After the detection is normal, you can connect it to the online coil.