No Turntable
LG Microwave
Severity:What Does This Error Mean?
An LG microwave turntable that won't spin is usually caused by a cracked drive coupler, a debris-jammed roller ring, or a failed turntable motor. Start with the coupler and roller ring — both are cheap and easy to check without tools.
Affected Models
- LG Over-the-Range Microwave
- LG Countertop Microwave
- LG LMV Series
- LG LMC Series
Common Causes
- Cracked or broken plastic drive coupler
- Food debris or spill jamming the roller ring track
- Broken roller ring wheels
- Failed turntable motor
- Oversized dish preventing the tray from rotating freely
How to Fix It
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Remove and inspect the glass tray and roller ring.
Take out the glass turntable tray and the plastic roller ring. Check the roller wheels for cracks or flat spots. Clean all food debris from the circular groove on the cavity floor where the roller ring travels.
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Inspect the drive coupler.
The drive coupler is the plastic piece between the motor shaft and the tray. Check that all tabs are intact — a broken tab means the motor turns but the tray stays still. LG couplers cost $3–$10.
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Check the dish size.
Place the glass tray back and check that it can rotate without touching the sides. An oversized plate that catches on the inner walls will stop the tray — use smaller cookware.
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Test and replace the turntable motor.
If the coupler and ring are fine, the motor has failed. Unplug the microwave, access the motor beneath the cavity floor, test for continuity, and replace if faulty. LG turntable motors cost $15–$30.
When to Call a Professional
Turntable motor replacement on LG microwaves requires removing the floor panel inside the cavity. This is a DIY-friendly repair that does not involve high-voltage components on most LG models.