Hi,
Here is a tip that will help you to figure out what is wrong with your Microwave Oven.... Basic Microwave Oven Troubleshooting Tipsheatman101
It
sounds like the turntable motor has failed. It is a synchronus motor
with a plastic gearbox reducing the RPM to about 5. The gears fail
when the turntable dish is turned as the motor stalls the
shafts.
Replacing the motor is no big deal.
There is usually an
inspection cover that can be removed on the underside of the
cavity.
Remove the cover and remove the motor.
Replace with the
same type and the reverse procedure will fix it.
You may however
require a self tapping screw to affix the cover back on. A bit of a
puzzle but not too difficult to work out!
Hope this helps.
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