Symptoms
- One burner produces no heat while others work fine
- Indicator light for that burner may or may not turn on
- No warmth felt from that section of the cooktop
- Same burner has been slow to heat recently before failing completely
Likely causes
- CommonFailed heating element under that burner positionRadiant elements under glass cooktops can burn out individually, just like coil elements.
- CommonFaulty infinite switch for that specific burnerEach burner typically has its own control switch that can fail independently.
- PossibleLoose wiring connector at that elementA connector can work loose over time, especially with heat cycling.
- Less commonBlown fuse specific to that burner circuit (on some models)Some cooktops have individual fuses per burner or pair of burners.
What to do
- Confirm the issue by testing a pot of water on the affected burner versus a working one at the same setting.
- Turn off power to the cooktop at the breaker before any inspection.
- Access the underside of the cooktop per your model's service panel to inspect the element and its wiring connector for that burner.
- Check for a loose or disconnected wire terminal at the affected element.
- Test the element for continuity with a multimeter if you're comfortable doing so.
- Replace the specific element if it shows no continuity or visible damage.
- If the element tests fine, have a technician test the infinite switch controlling that burner.
Tools and parts
- Multimeter
- Screwdriver
Glass cooktop radiant elementSearch: “glass cooktop burner element replacement”
When to call a pro
If the element tests fine but the burner still doesn't heat, have a technician test the infinite switch and wiring for that burner.
Safety
Use caution
Shut off power at the breaker before accessing any cooktop wiring or elements underneath the glass surface.