How to Repair an LG Microwave Oven Yourself
Posted: Tue Feb 18, 2025 11:11 am
A broken microwave oven is a serious problem for those who are used to using their time rationally. It is easy as pie to take a dish out of the refrigerator and put it in the microwave oven. But when you take out your breakfast after heating it up, it is completely cold. After such a discovery, you want to immediately restore the operation of the equipment.
You can repair an LG microwave oven yourself. We will tell you in detail how to do this in the article.
LG Microwave Oven Malfunctions
To understand the reasons for the breakdown, it is important to understand the structure of the microwave oven. See the picture below:
The principle of operation of the device is simple. The user mexico telegram data plugs the microwave oven into the socket, the voltage is supplied to the transformer windings. There, the voltage is doubled for rapid heating. The magnetron creates radiation that affects the food and "warms" it from the inside.
To protect the electronics, the design includes fuses, a phase and power protective relay.
The most common breakdowns of LG microwave ovens are:
Sparking during operation . The reason is damage to the enamel, damage to the magnetron protection. Further use of the equipment is prohibited, it is dangerous to health.
Noise and hum . Problems with the cooling fan or transformer.
Problems with starting . If the equipment does not turn on, check the network cable, temperature sensor, door lock and microswitch.
Long heating . Operating time exceeds the specified time. The magnetron will probably fail soon.
Tray blockage . In normal conditions, the tray rotates so that the food is heated evenly. If rotation does not occur, it is worth checking the motor or its contacts with the tray.
Control failures . Control board failure or buttons sticking. You can learn more about touch panel repair in the article "Microwave buttons not working".
You can repair an LG microwave oven yourself. We will tell you in detail how to do this in the article.
LG Microwave Oven Malfunctions
To understand the reasons for the breakdown, it is important to understand the structure of the microwave oven. See the picture below:
The principle of operation of the device is simple. The user mexico telegram data plugs the microwave oven into the socket, the voltage is supplied to the transformer windings. There, the voltage is doubled for rapid heating. The magnetron creates radiation that affects the food and "warms" it from the inside.
To protect the electronics, the design includes fuses, a phase and power protective relay.
The most common breakdowns of LG microwave ovens are:
Sparking during operation . The reason is damage to the enamel, damage to the magnetron protection. Further use of the equipment is prohibited, it is dangerous to health.
Noise and hum . Problems with the cooling fan or transformer.
Problems with starting . If the equipment does not turn on, check the network cable, temperature sensor, door lock and microswitch.
Long heating . Operating time exceeds the specified time. The magnetron will probably fail soon.
Tray blockage . In normal conditions, the tray rotates so that the food is heated evenly. If rotation does not occur, it is worth checking the motor or its contacts with the tray.
Control failures . Control board failure or buttons sticking. You can learn more about touch panel repair in the article "Microwave buttons not working".