A razor scraper held flat against a black glass cooktop, lifting a dried spill.

Keeping the cooktop out of trouble

Maintenance and prevention
guides.

The habits that spare a cooktop most calls, from spills soaking the igniters and sugar baked onto the glass to a clogged downdraft filter and the pans that suit induction.

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Maintenance and prevention,
guide by guide.

These guides cover the care a cooktop needs between service visits: keeping glass-ceramic clean without scratching or pitting it, choosing and handling pans that leave the surface intact, and washing the grate, filter and chamber of a downdraft vent so it keeps pulling smoke away from the counter.

All 18 guides

A hand in a cotton cloth buffing a black glass radiant cooktop set into a gray granite counter in a US home kitchen, a small bottle of cleaning cream and a razor scraper resting beside it, drawers closed below.

6-minute read

Cleaning a glass-ceramic cooktop without harming the glass or the seam

Cream, a sharp scraper at a low angle, sugar lifted off while the glass is hot, and keeping water away from the edge where a built-in top meets the counter and the cabinet below.

A stainless clad skillet lifted a few inches above a black radiant glass cooktop set into a white marble counter in a US home kitchen, a straight steel ruler lying across the base of an upturned saucepan beside it.

5-minute read

Cookware that marks or scratches cooktop glass, and the pans that are safe

Which pan materials suit radiant and induction glass, the ruler test for a flat base, the magnet test for induction, and the handling habits that keep the surface unscratched.

A hand lifting a stainless mesh grease filter out of the center vent strip of a gas downdraft cooktop set into a speckled granite island in a US home kitchen, the vent grate resting on a towel beside it and the burners off.

5-minute read

Cleaning a cooktop's downdraft vent: grate, grease filter and chamber

Lifting out the grate and filter, washing them in the sink or the dishwasher, wiping the chamber, setting the filter back at the right angle, and the signs that the blower needs a technician.

Keeping the cooktop out of trouble.

The methods come from the makers' own care instructions, and each guide names the tools to use, the products to keep away from the glass and the mistakes that turn a cleaning job into a repair, such as a sugar spill left to cool or a grease filter set back flat. Because a cooktop sits in a counter above a cabinet, they also cover where water and grease must not go: the seam at the edge of the glass and the blower below a downdraft.

Read them when you first take over a kitchen with a glass or downdraft cooktop, after a bad boil-over, or when a zone starts marking pans or the vent seems weaker than it used to be.

Not sure where to start?

The short answerCleaning a glass-ceramic cooktop without harming the glass or the seam

Cleaning a glass cooktop takes a ceramic cooktop cream and a soft pad for daily care, a sharp razor scraper held at about 45 degrees for burned-on residue, and lifting sugary spills or melted plastic off while the glass is still hot so they cannot pit it.

The short answerCookware that marks or scratches cooktop glass, and the pans that are safe

The best cookware for a glass cooktop has a smooth, flat, clean base: clad stainless steel, heavy aluminum, or cast iron fully covered in smooth enamel.

The short answerCleaning a cooktop's downdraft vent: grate, grease filter and chamber

Cleaning a downdraft vent means switching the fan off and letting the cooktop cool, lifting off the vent grate, removing the metal grease filter and washing both in hot soapy water or the dishwasher, then wiping the vent chamber when it shows a film of grease.

When reading
is not enough.

If the checks in these guides did not settle it, the visit picks up from there, stop by stop.

What repairs cost

01Each burner and zone, tried in turn
02The price, before any part is fitted
03The usual parts in the van
04Repaired, then cooked on

The problems
these answer.

Each has a page of its own, with the causes in the order worth checking.

All 17 problems

A close view of a black induction cooktop set flush into a pale stone countertop, a single crack running across one cooking zone, every zone switched off and dark, nothing resting on the glass.

Gas, fire, broken glass or live current

Glass Cooktop Cracked

6 causes, cheapest first

A white radiant glass cooktop set into a pale wood countertop, every zone cool and empty, a small indicator glowing at the front edge, and a hand held flat just above the glass.

Problem

Cooktop Hot Surface Light Stays On

5 causes, cheapest first

A close view of a finger pressing the touch controls of a black glass cooktop set into a gray quartz countertop, the display dim with one unreadable symbol lit, a damp cloth lying near the keys.

Problem

Cooktop Controls Unresponsive

5 causes, cheapest first

A US home kitchen with a black glass electric cooktop set into a quartz countertop, a thin wisp of smoke rising from a charred spill on one dark ring, every control switched off and no pan on top.

Gas, fire, broken glass or live current

Cooktop Burning Smell

6 causes, cheapest first

A parent and a teenager stirring a pan together over a gas cooktop set into a kitchen island — For the heart of your home.

Questions about
maintenance and prevention.

Is regular cleaning enough to avoid cooktop repairs?

It prevents a good share of them. Glass that never meets a dragged pan or a hardened sugar spill stays intact, and a downdraft with a clean, correctly seated filter keeps its blower from working against a wall of grease.

What should every glass cooktop owner keep in a drawer?

A ceramic cooktop cream, a non-scratch pad, a razor scraper with spare blades and a dry cloth. Oven mitts matter too, for lifting a sugary spill off the glass while it is still hot.

Where does owner care stop?

At anything that needs a tool to open. Lift-off grates, filters and the glass surface are yours; the blower, the wiring box, the gas connector and a lifted edge seal are for a technician, with the cooktop switched off at the breaker.

The other
sections.

Split by what you are trying to find out rather than by which part of the appliance it concerns.

All guides

A gas cooktop burner clicking with a small spark and no flame, an empty pan above it.

Why the cooktop behaves that way

Back to your everyday

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