Why has my microwave turntable stopped rotating?

Start with the controls and the removable parts, not the motor or anything inside the microwave. With the microwave off, check that the glass turntable is centered and seated correctly on its model-specific shaft or support ring, and that it is the right way up. Also check that the support ring is sitting properly. The correct arrangement can vary by model, so use your manual if you have it. [S1]

If those checks don’t explain it, verify that you selected a cooking function rather than a timer. Some models also have a setting that turns the turntable off; check whether yours has that feature and whether it is enabled. [S1]

Let the turntable cool before washing it. Once it is clean, follow your model’s instructions to reseat the removable parts: center the plate, make sure it is oriented correctly, and check that the support ring or other support is in its intended position. GE’s guidance says the turntable is designed to be removed for cleaning, but recommends against operating the microwave without the turntable and support in place. [S2]

Also look for food or debris beneath the support ring’s wheels, since that can impede movement. Keep the check to accessible, removable parts; don’t try to reach or adjust anything inside the appliance. [S1]

Sure. This is a hypothetical example, not a claim about your microwave: suppose the plate was removed for cleaning, and the microwave still does not turn afterward.

1. With the microwave off, check the manual’s diagram for the plate’s orientation and the support’s position.
2. Reseat the removable parts as shown, and clear visible food or debris from beneath the support ring.
3. Check that the selected control is a cook function, not just a timer.
4. If the model has a turntable-off feature, check its setting.
5. If the plate still doesn’t rotate, stop these checks and contact service rather than opening the appliance.

This sequence uses the checks in the manufacturer guidance; it doesn’t establish what has caused a particular microwave to stop turning. [S1] [S2]

Don’t run it without the turntable and support in place; GE advises against operating the microwave that way. [S2] If the plate and support are correctly reseated, the controls are set for cooking, and any turntable-off feature has been checked, the provided guidance says to contact service. [S1]

When you contact service, you can report the model number if you know it, what setting you selected, whether the turntable-off feature is present, and which removable-part checks you completed. Don’t access internal parts. The source guidance does not establish the cause of the problem or promise that a particular check will resolve it.