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My glass cooktop is cracked — what do I do?

Answered by Teddy Pivacek, owner & lead technician at TN Appliance Exchange — repairing appliances since 2012.

Quick answer: No. On an electric cooktop the elements and wiring are directly beneath the glass, so a crack is a shock hazard and can shatter under heat — and any spill that seeps into the crack makes it worse. Turn off its breaker and stop using it until it's replaced.

A crack in a glass or ceramic cooktop is more than cosmetic — on an electric cooktop the heating elements sit right under that glass, so a crack is a shock and shattering hazard, especially if a spill seeps in. The first move is to stop using it. Here's why they crack and what your real options are.

⚠ Safety first: Stop using a cracked electric cooktop immediately and turn off its breaker. A crack can expose live components and can shatter under heat or if liquid gets into it. Don't cook on it or set anything hot on it until it's replaced or cleared by a technician.

The most likely causes

Impact (dropped pot or heavy object) Technician

Ceramic glass is hard but brittle — a dropped pan, a heavy lid, or an object falling from above can crack or chip it. The most common cause.

Check it: Nothing to check beyond confirming it's an impact crack. Keep the cooktop off at the breaker until the glass is replaced.

Thermal shock Technician

Setting a cold or wet pot on a hot element, or a boil-over of cold liquid onto hot glass, can crack it from the sudden temperature swing.

Check it: Prevent it going forward: let the surface cool before wiping, and don't put cold/wet cookware on a hot zone. The cracked glass itself needs replacing.

Spontaneous / manufacturing stress (rare) Technician

Occasionally a cooktop cracks with no impact from internal stress or a defect, sometimes with a loud pop.

Check it: If it cracked with no impact and the unit is newer, check for a warranty. Either way it needs replacement.

Deep scratches or pitting (usually cosmetic) Easy DIY check

Dragging cast iron or letting sugary spills burn on can scratch or pit the surface. These are usually cosmetic, not a structural crack.

Check it: Light scratches are cosmetic and safe to keep using. A true crack, chip, or any exposed area under the glass is not — that one comes off the stove.

Is it worth fixing?

The glass cooktop surface is a replaceable part, not always a whole-range job — so on many models it's worth replacing the glass rather than the appliance, depending on the part cost and the age of the range. A $50 Quick Check tells you the exact glass part and price for your model so you can weigh repair vs replace honestly. Until then, don't use it.

Get a real answer — anytime, anywhere

Last week a customer kept their appliance instead of replacing it — they installed the part themselves with the exact one we shipped, after a $50 Quick Check told them precisely what they needed. That's the whole idea: honest answer, right part, no upsell.

In Middle Tennessee or the Baton Rouge area? We'll come to you, same-day. Anywhere else in the U.S.? Send a 10-second video, a real technician tells you exactly what's wrong for $50 (credited toward the repair), and we ship you the exact part. 24/7 — text, call, or upload anytime.

Common questions

Is it safe to use a cracked glass cooktop?

No. On an electric cooktop the elements and wiring are directly beneath the glass, so a crack is a shock hazard and can shatter under heat — and any spill that seeps into the crack makes it worse. Turn off its breaker and stop using it until it's replaced.

Can a cracked cooktop be repaired, or does the whole stove need replacing?

The glass surface is usually a replaceable part on its own, so on many models you replace just the cooktop glass rather than the whole range. Whether that's worth it depends on the part price and the age of the stove.

Why did my glass cooktop crack?

Most cracks come from impact (a dropped pot or lid) or thermal shock (cold or wet cookware on a hot zone). Occasionally one cracks spontaneously from internal stress. Deep scratches, by contrast, are usually cosmetic — but a true crack means stop using it.

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