Samsung Microwave Not Heating: Why & How to Fix? (Explained)
A microwave oven is considered one of the most essential kitchen appliances that are used by many people. It is very frequently used in almost every household.
In today’s article, we will discuss the Samsung Microwave oven heating issue and how to fix it.
Samsung microwave not heating
Since the microwave oven is an electronic appliance, sometimes it may have a component issue due to prolonged use. The reason why your Samsung microwave oven is not heating is that it is in demo mode. It is a specific type of mode that is used in retail showrooms.

The microwave oven is considered one of the most essential kitchen appliances that are found in almost every household.
Generally, the microwave oven is and useful electronic appliance that is used to warm the served foods.
If you are living in a cold climate area, having a microwave oven in your house will help you to serve the foods in warm conditions and make them taste perfect.
However, the microwave oven is an electronic appliance and due to prolonged use, the appliance may have some minor component issues.
One of the most common issues that most microwave owner user face in their newly bought microwave oven is the heating issue. The reason why your microwave oven is not heating is that it is in demo mode.
This is a specific type of mode that is used to show on retail showroom floors the functionality of a microwave oven without activating its magnetron.
It will not enable the microwave oven to heat if it does not have enough clearance or ventilation.
Below is a brief discussion on the reasons why different models of Samsung Microwave oven is not heating:
Samsung microwave me18h704sfs
Demo mode:
The reason why Samsung me18h704sfs Microwave is not heating is that it is in demo mode which is used to replicate the functionalities of the microwave ovens in the showroom.
Lack of ventilation:
Another reason why the Samsung me18h704sfs microwave is not heating is that it has lack ventilation or clearance. So, place it in a position where you can ensure enough airflow.
Burnt diode:
A burnt diode can lead to the heating issue of a Samsung me18h704sfs microwave oven. That is why you need to check the microwave oven and its components before use.
Samsung microwave smh1816s
Power issue:
If the Samsung smh1816s Microwave oven is not heating properly, you may need to check the power connection and make sure it’s working properly.
Broken door switch:
A common reason that is preventing the Samsung smh1816s microwave oven from heating up is a broken door switch.
Burned out magnetron:
Sometimes a burned-out magnetron can prevent the smh1816s microwave oven from heating properly.
Samsung microwave me16h702ses
Control panel issue:
Due to prolonged use, the Samsung me16h702ses microwave ovens can have a lot of component issues.
One of the most common issues is that the Samsung Microwave oven has a control panel issue that can prevent it from heating.
Burned heating component:
Another thing that most of the Samsung me16h702ses microwave oven owners face in their Samsung microwave open that can prevent the open from heating is burnt heating component.
Defective transformer:
One of the most common reasons that can lead to the Samsung me16h702ses microwave oven heating issue is a bad transformer or defective which will prevent the microwave oven from heating.
Is it worth fixing a Samsung microwave that won’t heat?
Nowadays, microwave ovens have become one of the most essential kitchen appliances that people use frequently. Generally, microwave ovens are used to serve food in warm conditions when you are living in a chilly and cold area.
Microwave Oven is an electronic appliance. Due to prolonged use, it is very normal for the appliance to have some component issues. One of the most common component issues of Samsung Microwave Ovens is to have a heating issue.
In addition to that, you can easily fix the microwave oven that is having a heating issue by checking a few settings and checking the installation process of the microwave oven carefully.
You can also reset the microwave oven to bring back its functionality. However, it is worth fixing a Samsung microwave that won’t heat because it will save you a lot of money and extra hassle.
In addition to that, it is highly efficient and convenient to fix a microwave oven that won’t heat instead of buying a new one.
How do I know if my Samsung microwave fuse is blown?
It is very normal for the Samsung Microwave opens to have minor component issues due to prolonged use.
Generally, the microwave oven is an electronic appliance and the electronic appliances may have some minor issues if they are used frequently. One of the common issues that most house owners find in the microwave oven is a blown fuse.
The microwave oven consists of a fuse that can be blown due to the overheating of the microwave oven.
However, you can easily know if the Samsung microwave oven fuse is blown. Below is a brief discussion on how to know if the Samsung microwave oven fuse is blown:
Try using a multimeter:
One of the best ways to find out if the Samsung microwave oven fuse is blown is to use a multimeter so that you can taste it for continuity. If the fears do not have continuity, you can replace them.
Check the fuse:
You can try checking the fuse of your Samsung microwave oven to make sure it is not blown. A blown fuse will have black marks on it.
Test the capacitor:
You can try testing the capacitor by discharging it. You need to isolate the capacitor and check for resistance.
How much does it cost to replace the magnetron in a Samsung microwave?
If you are having a component malfunction issue in your Samsung microwave oven, you can simply replace it or fix it without replacing the microwave oven with a newer one.
One of the most efficient and convenient ways to save your money and effort is by fixing the microwave oven so that you can use it again.
In most cases, the common issue with the Samsung microwave oven that can cause heating issues is damage to the magnetron. If you have a bad, faulty magnetron, it will not be able to provide a power supply to the microwave oven.
Since the magnetron is considered the power source for the appliance, replacing the magnetron of your Samsung microwave oven should cost you around $100 to $200.
In some cases, the replacement cost of a magnetron for the Samsung Microwave open may go up to 300 dollars, including the labor cost. However, this will be much more suitable for you to fix the microwave oven magnetron.
How do I fix my Samsung microwave that won’t heat?
The microwave oven is considered one of the most essential kitchen appliances that are found in almost every household. Having a microwave in your kitchen that does not heat to warm the food can be very frustrating and disturbing for you.
Since the microwave is an electronic appliance, due to prolonged use, it may have a lot of major or minor component issues.
These issues will cause a malfunction in the microwave oven and prevent them from operating normally.
However, you can easily fix the microwave oven that won’t heat by following some proper rules and instructions given in the user manual.
If you are still unable to fix the Samsung microwave oven, which will not heat for warming the food, there are some other symptoms in the microwave oven that you can check to fix it.
Below is a brief discussion on how to fix the Samsung microwave oven that won’t heat:
Verify the mode:
The first thing you need to do to fix the microwave oven that won’t heat is to verify the right type of mode for the microwave oven. You need to make sure that the microwave oven is not in demo mode.
Inspect the door:
Sometimes the microwave oven may not close its door properly and not heat the food. That is why you also need to inspect the door.
Reset or restart the microwave oven:
Generally, resetting or restarting the microwave oven by unplugging it and then plugging it back again can easily fix the heating issue.
Final thoughts
The microwave oven is an essential kitchen appliance that may have some common issues due to prolonged use. However, you can easily verify the mode of your microwave oven or reset it back to its default settings to fix the heating issue easily to sustain its performance.