Check both supply motor and magnetron
SOURCE: Panasonic Microwave Turn table rotates when door is open
Found this Panasonic post in the Samsung section!
If it moves just a tiny bit when the door opens and then stops, that's normal.
If it keeps running when the door is open, that's usually due to a bad door switch or broken / loose door switch mount.
If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk
Any Panasonic parts not available locally can be had here: http://www.pasc.panasonic.com/epartr
We appreciate your thoughtful rating of our answer.
SOURCE: OTR microwave turntable won't rotate
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
If not, please post your brand and model.
It's probably the motor, but possibly the coupler.
One quick check is to remove the turntable and support / roller ring and try to turn the coupler. It should be a little hard to get started, then you should hear a whirring sound, not a clicking or grinding, which would indicate a bad motor.
If the coupler turns loosely with no resistance, then it's probably bad.
Here is my text on replacing couplers, which had steps which are necessary when replacing motors. Note that if yours is a built-in model, ignore the part about turning it on its side *grin*
NOTES ON REPLACING TURNTABLE COUPLERS
Copyright 2007 by William E. Miller - MicrowaveDisplay.com
UNPLUG THE OVEN FROM THE WALL FIRST OR YOU WILL EXPOSE YOURSELF TO LETHAL VOLTAGES!
Note that I am not encouraging you to work on electrical items if you are not qualified, and I assume no liability for any consequences of your decision to do so.
When replacing the turntable coupler on most models, it is necessary to loosen or remove the screws that mount the turntable motor to the bottom of the chassis.
It is usually easier to do this with the microwave oven on its right (heaviest) side because you will need two hands for alignment.
Be sure to put a towel or similar cushion on the work surface to avoid scratching the oven wrapper (oven cover) or the work surface.
It is not necessary to remove the wrapper or the wires from the turntable motor itself, but you may need to remove a small metal duct covering the turntable motor if your oven has one.
It should only be held on by one or two screws.
Although a broken coupler may come out easily or even fall out, the new coupler will not go in without at least loosening the turntable motor.
Look at the hole in the new coupler. You'll notice it has (most do have) a flat side to it. That flat side will line up with the flat side on the motor shaft.
When the old coupler is out and the motor is loose, you can ease the new coupler in the hole with one hand while turning the coupler very slightly back and forth as you gently push the motor toward it. Do not force the part in.
When the coupler has mated properly with the motor, you should feel it go in.
Be sure it's right, or you may break the new coupler or bend the mounting ears of the motor when you attempt to tighten the screws.
Reassemble in reverse order.
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SOURCE: Microwave oven does not heat anything
Spacemaker XL 1400 worked for 7 years.Yesterday, no more heat. Also plastic door damaged.
will try Panasonic or something commercial
SOURCE: turntable not rotating on my microwave
The first thing I would suggest is a hard reset. Unplug the unit for a minute or so. Then plug it back in, set the clock and try again. If that doesn't work, leave it unplugged for about 5 minutes. You can download your owner's manual here: http://www.miele.co.uk/Resources/OperatingInstructions/M%20625%20EG.pdf On the last page it has the contact information for various countries. You can locate servicers or spare parts. The turntable system consists of the motor, the coupler, the turntable support with rollers, and the tray. You can see and hear a video of how a turntable motor should sound when you rotate it by hand: http://www.youtube.com/watch?v=rPSWi_z7M58 If yours is not set to be off via the control panel, and it won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler. We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
SOURCE: microwave turns on but doesn't heat. Turntable does not rotate
The magnetron (the part that heats the food) is probably done, they tend to go out if the fuse didn't blow and it usually isn't worth fixing as the cost of the magnetron is almost what it would cost to buy a new microwave.
Sorry for the bad news.
Benjamin
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