Microwave turntable not spinning?

A burned-out or seized turntable motor no longer produces shaft rotation to drive the roller ring and glass tray.

Likely causes · most likely first

Turntable Motor

Easy DIY Part: $15–$35
Roller Ring (Turntable Support)

Easy DIY Part: $10–$25

A cracked, warped, or jammed roller ring prevents smooth rotation of the glass tray even when the motor runs.
D.P. Circuit (Control Board)

Moderate DIY Part: $60–$150

A faulty control board may fail to send operating voltage to the turntable motor circuit during cooking cycles.

See the faulty part in 3D.

Tap a highlighted part to see exactly why it fails, how to verify it's the problem, and how to replace it.