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GE Microwave Not Heating: Why & How to Fix? (Explained)

Several factors could account for your Ge microwave not heating up. Listed below are the most common causes of Ge microwaves not heating up, along with tips for resolving them. Here you can find information about fixing everything from blown fuses to broken microwaves.

GE microwave not heating

Blown fuses, a damaged door switch, defective microcontrollers, and a faulty fan are the causes of a Ge microwave not heating. Defective microcontrollers and burnt-out magnetrons may cause Ge microwaves not to heat. A Ge microwave’s fan can stop working over time, preventing it from heating.

However, there are several possible reasons your Ge microwave may not be heating. Here are some of the most common problems and solutions.

GE advantium microwave

You may have a blown fuse, a defective microcontroller, or a broken door switch if your Ge advantium microwave is not heating up. The following are some of the most common causes of Ge advantium microwave, not heating:

Blown fuses:

The blown fuse indicates an electrical problem with the microwave. In addition, a blown fuse will prevent the Ge advantium microwave from heating up. You will need to replace the fuse to fix this problem.

Broken door switch:

Microwaves may not heat up if the door switch is broken. A malfunctioning door switch can also lead to other problems with the microwave, including Some microwaves have a digital display that shows when the door is open or closed.

It will not be able to display this information correctly if the door switch on this Ge advantium microwave is broken or inaccurate.

Defective microcontrollers:

A defective microcontroller can also result in your Ge advantium microwave not heating up or malfunctioning. To fix this issue, you will need to remove the microcontroller and replace it.

Dirty filters:

Microwaves require filters to function properly. Dirty filters can reduce their effectiveness, preventing your Ge advantium microwave from heating properly. You will need to remove these filters and wash them in warm water and soap to clean them.

GE spacemaker xl1400 microwave

A defective microcontroller or a faulty microwave could cause your Ge spacemaker xl1400 microwave to not heat up. The following are some of the most common reasons why Ge spacemaker xl1400 microwaves don’t heat:

Burned out magnetron:

There is a chance that the magnetron in the microwave will burn out, causing the microwave to not heat up. There is, however, one thing you will have to do if you wish to fix this problem, and that is to replace the magnetron.

Defective microcontroller:

Defective microcontrollers can also lead to your Ge spacemaker xl1400 microwave not heating up or malfunctioning altogether. You will need to remove the microcontroller and replace it with a new one to solve this problem.

Faulty fan:

Occasionally, a microwave’s fan malfunctions, resulting in a lack of heating. Your Ge spacemaker xl1400 microwave will need to be replaced with either its fan or the entire motherboard to fix this problem.

Bad power cord:

If your Ge spacemaker xl1400 microwave does not heat up due to a faulty microcontroller or magnetron, it could also be due to a defective power cord. 

You should make sure that the plug you are using is properly plugged into the outlet and that the wires are not twisted.

Is it worth fixing a GE microwave that won’t heat?

GE microwaves which don’t heat are worth fixing if the problem isn’t dangerous. You will need to replace the fan or motherboard if the problem is caused by overheating.

There is a temptation to replace a GE microwave that won’t heat with a new one, but this might not be the best idea. 

As long as your service contract is still valid, and you have your model number available, you don’t have to worry about the safety of your microwave as long as it has been built with safety in mind.

If you experience this problem occasionally or less frequently than usual, contact customer support for assistance. 

Nevertheless, if the problem persists or becomes more serious over time (e.g., melted food), then it might be best to replace the microwave rather than try to fix the problem.

How do I know if my GE microwave fuse is blown?

A blown fuse is the first thing to check if your GE microwave is not heating up. You can determine if your GE microwave fuse is blown by following these steps:

Unplug your microwave: 

Firstly, a blown fuse will likely result in your microwave not receiving power. Unplug your GE microwave from the wall socket and hold down the power button for about 10 seconds to check if your fuse has blown. 

It means that your fuse has blown if the power still does not come in after doing this.

Check the power button: 

You may also have a blown internal fuse if your microwave model uses an IC timer (like most GE microwaves), resulting in no power even after pressing the power button. The fuses and/or the IC timer would need to be replaced in this case by taking your microwave apart.

Take a look inside: 

Even if you press the power button, if you still don’t get any power, then you might need to replace the microwave entirely. Unscrewing the hood is often as easy as removing the screws holding it in place. 

Immediately after you have completed this process, take a look inside to see if there are any burned or broken wires, which need to be replaced before reassembling everything.

How much does it cost to replace the magnetron in a GE microwave?

A GE microwave’s magnetron can be replaced for anywhere from $150 to $200 depending on the type of microwave. This price range reflects the average cost of a replacement, but the cost will vary based on your model and location, as well as the availability of parts. 

In addition, you should also consider the time it will take to install the new magnetron, as this may also be an additional cost for you.

It is important to note that some models may also require that the front panel be removed to replace the magnetron. The cost and time required to repair or replace your GE microwave can also be increased due to this issue. 

However, this is not always the case, so it is important to consult with a technician to get an accurate estimate so that you know what to expect.

How do you fix a GE microwave which is not heating?

There are a few things you can do if your GE microwave isn’t heating. To start, make sure that all the cords are plugged in properly, and then check to see if anything is blocking any vents or pipes that may be preventing airflow. To fix a GE microwave that won’t heat, follow these steps:

Check the fuses:

The first thing you should do is check the fuses in your GE microwave. A blown fuse can prevent your machine from heating up properly. You may need to replace your microwave if you are unable to find the blown fuse and all of the other cords appear to be working properly.

Clean out any debris:

The vents or pipes in your GE microwave will need to be cleaned out if debris or lint is blocking them. Vacuum cleaners and air pumps are often used to accomplish this.

Check the power supply:

The power supply may need to be checked if everything else seems to be working properly, but your GE microwave is still not heating up. Electrical outlets and transformers can often cause problems with appliances such as microwaves. 

It may be best to have an expert examine your machine if you are unsure whether this is the problem.

Fix Burned out magnetron:

You may have a burned-out magnetron in your GE microwave if it is not heating up. This part of the machine generates heat, and if it goes out, your oven can have a lot of problems. It may be necessary to disassemble the microwave and replace the burnt-out part to fix this problem.

Fix Defective microcontroller:

A defective microcontroller could also be causing your GE microwave not to heat up. It controls various aspects of the machine, and if it fails, it can cause all kinds of problems. You may have to replace the microcontroller altogether to fix this issue.

Final Thought

Several factors can contribute to the failure of Ge microwave to not heating properly, including low fuses, a broken door switch, defective microcontrollers, faulty fans, and a burnt-out magnetron. Check the fuses, check the power supply, and replace the burned-out magnetron as soon as possible.