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Magnatron cover, not a piece of cardboard, inside a Samsung microwave

Cardboard on inside wall of microwave

Magnatron cover, not a piece of cardboard, inside a Samsung microwave

All microwaves have a magnetron cover, although the appearance will vary between models. On many Samsung microwaves, the magnetron cover may look like a piece of cardboard and you might wonder why it's there and if you can remove it. No, you can't remove it, and this guide will explain why.

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Vent fan is weak
Vent fan is weak
The vent fan on your over-the-range microwave is useful for keeping smoke and steam clear from the microwave. It will even turn on automatically if the microwave is getting too hot. But if the fan strength isn't strong enough to hold up a napkin, you may feel like it's not working. Fortunately, there's an easy way to tell.
 Microwave turns on by itself
Microwave turns on by itself
If your microwave turns on by itself after you close the door you may need to clean the door, check the latch, or ensure that the door is closed all the way. But if your cooktop lamp will not turn off, then it may just be wet from recent cooking. Follow this guide to get things back to normal.
 Microwave does not heat
Microwave does not heat
The most common reason for a microwave to not be heating at all is for it to be in Demo mode. This mode is used on showroom floors to allow the microwave to be shown off without activating the magnetron. The microwave also won't heat if it does not have enough clearance or ventilation. If the microwave turns on, but does not heat the food, this gui
 Turntable does not rotate and is making noise
Turntable does not rotate and is making noise
The turntable is designed to, well, turn. The continuous rotation generally assists the microwave in providing more even heating of your food. When it's not rotating correctly, there's often a grinding noise as well (or the setting is turned off). A dirty track or roller ring can also cause it to get stuck. Finally, make sure it's positioned correc
 Microwave fan sound changes when cooking
Microwave fan sound changes when cooking
When running the microwave on High, the fan sound should stay consistent, like you're used to. But if you're running the microwave on any other setting, it's normal for the fan to change speeds during cooking to maintain the setting you've selected.
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