You are probably an LG microwave oven user. If so, you have chosen the perfect microwave oven for your family. LG microwave ovens are the leading, highly effective, durable, and easy-to-use microwave ovens in the present market.
Anyway, being an electrical appliance, an LG microwave oven can malfunction anytime. If your LG microwave oven malfunctions, especially not working, or stops working suddenly or not working even if it has power, there is nothing to be worried about. This article is all about 3 LG microwave oven problems and their solutions.
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LG Microwave Not Working!
Your LG microwave oven is an electric appliance that can malfunction anytime. It is usual and true for all brands of microwave ovens available in the present market. If your LG microwave oven is not working, there is nothing to be worried about because you can fix it at your home or by taking it to the kitchen appliance repair shop.
The most common causes of your LG microwave not working are problems with the line fuse, defective main control board, damaged switch holder, the thermostat at fault, blown thermal fuse, defective door switch, microwave door not closed properly, overheated microwave, faulty thermo protector, bourn-out light bulb, damaged waveguide, broken capacitor and more. Below we will discuss these further.
Why Is Your LG Microwave Not Working & What To Do?
- Problem In Line Fuse:
Probably too much electricity has passed through your microwave oven circuit, and your LG microwave oven line fuse has become faulty. If the microwave oven line fuse becomes faulty, the microwave oven will not work, and especially microwave will not start.
To determine whether the microwave oven line fuse is faulty, use a multimeter. If the line fuse is faulty, then replace it as soon as possible.
Plus, investigate and solve the problem that causes your microwave line fuse to be faulty. If you don’t solve this, your microwave’s new line fuse will also be faulty.
2. Defective Main Control Board:
Probably your Lg microwave main control board is defective. If it is defective, your LG microwave will not work. Check all the other parts of your microwave, and if they are working properly, then you can be sure your microwave’s main control board is defective. Replace the defective main control board immediately to make your LG microwave active again.
3. Damaged Switch Holder:
All microwave ovens have three or four door switches, and the microwave switch holder houses all these door switches behind the microwave control panel. If the microwave switch holder becomes damaged or misaligned, it cannot house the microwave door switches when the microwave door is closed, resulting in your LG microwave not working.
4. Thermostat Is At Fault:
Use a multimeter to check the thermostat of the microwave and make sure it is okay.
5. Incoming Power Problem:
Probably your used electrical outlet is not getting the power supply. To determine it, check your home circuit breaker or fuses. Make sure the electrical outlet is getting sufficient power.
6. Blown Thermal Fuse:
Every microwave oven has a thermal fuse, and the thermal fuse stops the power supply to the microwave when the microwave overheats. To determine whether the thermal fuse has blown, use a multimeter. Replace the blown thermal fuse as soon as possible to make your LG microwave active again.
7. Defective door switch
If any of your microwave door switches are defective, the microwave will not work properly or start or heat. Check each of the door switches and make sure each of the door switches of your LG microwave is okay.
8. Microwave Door is not closed properly:
Your LG microwave is not working because its door is not closed properly. Check the door and make sure it is closed properly.
9. Damaged power cord:
It is not possible for your LG microwave power cord to supply the current to the microwave if it is damaged. So if your LG microwave is not working, check its power cord and make sure not damaged and working properly.
10. Damaged Or Burned Receptacle
Check the receptacle of the microwave and make sure it is not damaged or burned. A damaged or burned microwave receptacle may cause your LG microwave not to work.
11. Overheated Microwave:
You have probably operated your microwave for a long time, which is why your microwave has become overheated, resulting in your microwave not working. If so, turn off your microwave for a few minutes and let it cool down.
12. Faulty Thermo protector:
Thermo protector is an important part of a microwave oven. All brands of microwave ovens have thermo protectors. Check the thermo protector using a multimeter and make sure it is okay.
13. Software issues:
If your LG microwave has a digital display, it’s possible that it’s experiencing software issues. To fix it, reset your LG microwave. Try unplugging your LG microwave for a few minutes and then plug it back in the power outlet.
14. Broken capacitor:
The capacitor is also an important part of the microwave oven. It stores the energy for the microwave’s magnetron. If the capacitor is broken or not working properly, the microwave will not work. So check the capacity and replace it if it is broken or damaged.
15. Damaged waveguide:
Like the capacitor, the waveguide is an important microwave oven part. If it is damaged or not working properly, the microwave will not heat the food item. So check the waveguide and replace it if it is damaged.
16. Burnt-out light bulb:
If your LG microwave light bulb burns out or is damaged, your microwave will not turn on. So check the light bulb and make sure it is okay.
Note: If your LG microwave still not working or you don’t understand what is the actual reason for this, you can check your GL microwave warrant. If your LG microwave is under warranty, then you can contact LG customer service for help.
If your LG microwave warranty is over, then you can take your microwave to the nearest kitchen appliance repair shop to fix your microwave by a qualified technician.
LG Microwave Not Working But Has Power
If your LG microwave is not working but has power, there is also nothing to be worried about. You can also fix this after knowing the causes of the problem.
The most common causes of your LG microwave not working even if it has power are damaged or burned receptacle, activated child look, faulty microwave door switches, blown line fuse, blown thermal fuse, issues with the main control board, defective power diode, faulty magnetron, door latch assembly failure, internal problem, damaged capacitor, faulty relay, and more. Below we will discuss these in detail.
Why Is Your LG Microwave Not Working But Has Power & What To Do?
- Damaged Or Burned Receptacle:
If your LG microwave is not working but has power, the problem could be in the receptacle. If the receptacle of the microwave becomes damaged or burned, this type of problem can happen. So check the receptacle and make sure it is okay.
2. Activated Child Lock:
Your LG microwave has a safety feature, and that is a child lock. Sometimes, this child lock can be activated unwillingly and causes the power to be on the microwave. If the child lock is activated unconsciously, the microwave will not cook food, the microwave timer won’t work, and the microwave button won’t work.
3. Faulty Microwave Door Switches:
Your LG microwave oven is not working but has power because its door switches are faulty. Check the door switches of your LG microwave and make sure they are not faulty.
4. Blown Line Fuse:
If your LG microwave is not working but has power, in this case, check the line fuse of your microwave. If the line fuse is blown, your microwave will not work even if it has power.
5. Blown Thermal Fuse:
The microwave thermal fuse is a very important component of the microwave. It saves the microwave from burning by cutting off the power supply to the microwave oven when the microwave gets too much hot. So if you see your LG microwave has power but not working, check the thermal fuse of your microwave and make sure it is okay. If the thermal fuses become blown, then replace by it soon as possible.
6. Issue With The Main Control Board:
The main control board of your LG microwave manages the flow of power to all its other parts. If your LG microwave oven has power, but it is not working, probably the main control board of your LG microwave has become defective. In this case, buy a new control board and replace the defective control board as soon as possible.
7. Defective Power Diode:
In some cases, the LG microwave oven is not working but has power because of a defective power diode. If the power diode becomes defective, replace it immediately.
8. Faulty Magnetron:
If your LG microwave magnetron becomes faulty, then your LG microwave won’t work even if it has power. Using a multimeter, check your microwave’s magnetron. If it is faulty, replace it with a new one to make your LG microwave active again.
9. Door Latch Assembly failure:
Door latch assembly failure can also cause your LG microwave not to be working even if it has power. Replace the door latch assembly if it is faulty.
10. Faulty relay:
The relay controls the electric supply to the microwave magnetron. If the relay is faulty, the microwave magnetron will not find the power supply. So check the relay and make sure it is not faulty and working properly. If the relay is faulty, then replace it by buying a new one.
11. Damaged capacitor:
If your microwave capacitor becomes damaged, it will not provide power to the magnetron of the microwave, and your microwave will not be working even if it has power. So check the capacitor and make sure it is okay.
12. Internal Problem:
If your LG microwave oven has any internal issues, then it won’t work even if it has power. Take your LG microwave to an expert to identify the issue and fix the appliance.
Note: If your LG microwave is still not working even if it has power or you don’t understand what the reasons behind this, you can contact the LG microwave customer service team for assistance if it is still under warranty.
If it is not under warranty, then you can take your microwave to the nearest electric kitchen appliance repair store to fix your LG microwave by a licensed technician.
LG Microwave Stopped Working!
If your LG microwave stopped working, there are a few specific reasons behind this. The most common causes are power problems, issues with the door switch, blown fuse, defective thermal fuse, issues with the door latch assembly, internal issues, damaged power cords, and more.
Why Is Your LG Microwave Stopped Working & What To Do?
- No Power:
Your LG microwave is probably not getting power, which is why it stopped working. Check your microwave power cord and electrical outlet. Make sure the power cord is connected well to the power source, and there is power in the electrical outlet.
2. Faulty Door Switch:
Your LG microwave stopped working because of issues with the microwave door switches. Check the door switches, and make sure they are functioning properly.
3. Blown Fuse:
Probably your LG microwave fuse has become blown, which is why your LG microwave stopped working. So check your microwave fuse, and if they are blown, then immediately replace the blown fuse.
4. Defective Thermal Fuse:
Probably your LG microwave thermal fuse has defective. Check your microwave oven’s thermal fuse and replace it with a new microwave oven thermal fuse if it is defective.
5. Issue With The Door Latch Assembly:
Another cause of your LG microwave oven stopped working could be an issue with the door latch assembly. Check the door latch and replace it if there are any issues.
6. Power Cord Has Damaged:
Probably your microwave oven power cord has been damaged. Check your microwave power cord and make sure it is not burned or damaged and working properly.
7. Dirty or faulty door seal:
If your LG microwave door seal becomes dirty or damaged, the microwave will not work properly and even can stop working. So check the door sear and make sure it is clean and not damaged.
8. Faulty turntable motor:
If the turntable motor becomes damaged, the microwave stops working. So check the motor and make sure it is okay.
9. Faulty capacitor:
Your LG microwave stopped working because your microwave capacitor has become damaged. So check the capacitor and make sure it is okay and working appropriately.
10. Internal Issue:
Your LG microwave oven stopped working because your microwave oven has internal issues. Check all your LG microwave oven parts and make sure each of the parts is working properly.
Note: If you cannot fix your oven by yourself or you still need help, then look for a microwave oven expert assistance.
Hi! I’m Manzur Hossain. I’m a modern electric kitchen appliance expert. Professionally, I’m a kitchen appliance researcher, reviewer, and repairer.
I want to make people’s lives in the kitchen easier, and that is why I have established appliancefact.com.