If an unusual noise is coming from your microwave turntable, the issue may be the drive motor. How to test a microwave drive motor with a multimeter: Unplug your microwave before beginning. Should I remove the bottom of the microwave to gain access to the turntable mechanism ? LG.com utilizes responsive design to provide a convenient experience that conforms to your devices screen size. View the answer I have this problem too Subscribed to new answers . Flat spots on the rollers can cause the turntable ring to stutter or make a grinding noise as the rollers are 'dragged' past the flat spots. Is this a good question?

When the turntable is turned off there is no noise. The motor is typically located below the floor of the oven, and access will need to be through the bottom. Learn how to use, update, maintain and troubleshoot your LG devices and appliances. Under normal circumstances, the magnetron emits a low hum. If the turntable on your microwave is making an unusual noise, the problem may be with the drive motor. The microwave uses a motor-driven coupler to turn the glass tray in your microwave. I have tried removing the glass plate and turntable roller not no avail. Yes No.
Remove the turntable glass and roller support and thoroughly clean the cavity, both sides of the turntable glass, and the roller support. If the turntable is making a rattling noise while it turns, check that the glass tray, rotating ring, shaft, and rack are all installed securely. The magnetron uses high voltage, high current DC power to generate the microwave frequency that cooks the food. If any of these items are slightly out of place, it could cause a rattling sound while the microwave runs. Answered!

My microwave makes a rattling noise, why?. 4 Reasons Why Your Microwave is Making That Unpleasant Sound. If the rollers do have flat spots on them, (check all 3 rollers) you will have... - GE Microwave Oven
A rattling noise can be heard when the turntable is in use. Common solutions for: LG Microwave is loud or noisy . Hi, Check the rollers on the roller ring under the turntable, for flat spots. However, if the magnetron is ... damaged or nearly burned out, it may begin emitting high-pitched sounds or growling noises. Most microwave ovens with a glass tray use a motor driven coupler to turn the tray or a roller guide. Fred's Appliance January 23, 2014 Service Leave a Comment. Solution 1: Magnetron. To properly experience our LG.com website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE10 or greater). The motor should be replaced if it is making a grinding noise. Whether you’re warming up last night’s leftovers or defrosting ground beef for tonight’s dinner, your microwave saves you from wasting a large amount of time in the kitchen.