When start is selected it makes the noise it always has when starting and then after a couple seconds a different noise (kinda like its under more load)but doesn't heat.The noises aren't overly loud.It may be that I have never noticed before because it has always worked.
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I understand that you are noticing less noise, after about a second of starting your Frigidaire microwave, model# PLMB186CC. I suggest checking to see if the power level was changed. The blower sound will be different at levels other than "HIGH". As long as it is still heating, there is no cause for alarm. I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if your washer status has changed successfully. Hope this is helpful.
dont use the microwave until you retrieve what dropped inside when you removed the port. The grinding is most likely a foreign object that is hitting the moving parts of the microwave and causing sparking. It can catch fire
A couple of months ago my microwave started making crackling, rattling and grinding sounds everytime i used it and i thought it was going to break down. It turned out one of my children must have spillled or overflowed something with a clear liquid because the micro did not look dirty but there was a crunchy substance under the wheels of the turntable. Once i cleaned this up totally the noises all went away.
It's normal for the motor to turn both ways, that's because of how the motor is made. As for the grinding noise, there's no reason the motor itself would make more noise turning one direction than in the other. The noise might be coming from the roller ring under the glass turntable. One of its wheels might be binding when it tries to turn counterclockwise.
Here's a test. Take the glass tray and roller ring out of the oven. Put a microwave-safe container with a cup or so of water in the oven and start it. Stop the oven and start it again, and the motor should turn the other way. If not, repeat this until you've seen the plastic coupling turn both directions. Note whether you still hear the noise as the motor turns each way. If you do, then there is something wrong with the motor and it should be replaced. If not, the noise is coming from the roller.
In either case, if the oven is truly only a month old it's still under warranty. Since you are concerned about the noise and are worried that the oven is defective, contact the store where you purchased it and see if they will exchange it or take it in for service. If the store can't help you, refer to the owner's manual for the service procedure to follow.
HI, the sound you herd was the noise filter and running diode. these important components have failed at this point. you will need to replace these components asap, if possible. this will fix your issue.
The Magnetron Cut-off fuse will need to be replace as well. this will blow if there is a malfunction within the unit.
hello Frank. Sorry to tell you that the magnetron is going bad and making that terrible noise. Since the inside of a microwave, even unplugged has up to 2000 residual and deadly volts of electricity I recommend either calling a pro or replacing the unit.
I'd say the bearings are getting dry. I'd hit it with a a drop of 3-in-1 oil or sewing machine oil.
If you don't have the owner's manual, you can download one here:
It's also possible that the keeper which holds the fan blade assembly may be broken or loose. That could cause the fan to slip and rub.
Either way it will have to be disassembled to a degree, probably starting with removal of the grille.
Exploded views of this model may be helpful. They can be found at this site:
Under 1 select "Repair Part", under 2 select "Microwave" and click "Go". A window will pop up and you'll enter your (complete) model number.