Electric ranges come in two main cooktop styles: exposed coil elements and smooth glass-ceramic tops with radiant elements underneath. They share the same oven design but fail differently on top. Here's how to identify the likely problem on your range, what you can safely check, and how to think about repair.
How Each Cooktop Works
Coil-top ranges have removable spiral elements that plug into receptacles. Each is controlled by an infinite switch behind the knob, which turns the element on and off in cycles to produce lower heat settings. They are simple and inexpensive to service.
Glass-top (radiant) ranges have elements mounted under a smooth glass-ceramic surface. Each element has a limiter that prevents the glass from overheating, and the elements are controlled by infinite switches or, on touch-control models, by an electronic control board with relays. Many have dual or triple elements that can heat a small or large ring.
Induction ranges are a third type, using magnetic fields instead of radiant heat; our guide to induction cooktop repair covers those.
Coil-Top Problems
One burner doesn't heat
The usual causes are a burned-out coil, a burned or loose receptacle, or a failed infinite switch. The swap test helps narrow it down: with the range off and coils cool, swap the suspect coil with a working one of the same size.
Burner heats only on high
Almost always the infinite switch.
Burner sparks, flickers or has a burned terminal
Look at the coil's terminals and the receptacle. Pitting or scorching means a poor connection; replace both the coil and receptacle. Stop using the burner until it's fixed.
Drip pans
Badly corroded or foil-lined drip pans can affect heating and the electrical connection. Use the correct pans for your model.
Glass-Top Problems
One element doesn't heat
Possible causes include a failed radiant element, a failed limiter, a bad switch or a control board relay on touch-control models.
Element stays on high
A stuck infinite switch or relay. Turn off the range at the breaker if you can't turn the element off, and call for service.
Dual element only heats one ring
The selector switch or the element's second circuit may have failed.
Cracked or chipped glass
Turn off the power and stop using the cooktop. The glass can usually be replaced, often as a top assembly. Whether it's worth it depends on the range's age and condition.
Marks and discoloration
Many stains come from residue, hard water spots or aluminum and copper pans. Use a cleaner approved for glass-ceramic tops. Hard water from boiling pots can leave white rings that cleaner removes.
The Oven Section
Both styles share the same oven parts:
- Bake element, visible on the oven floor or hidden beneath it.
- Broil element at the top of the oven.
- Temperature sensor, a probe at the back wall.
- Control board or thermostat, depending on the model.
- Door gasket and hinges.
- Convection fan and element on convection models.
- Door lock on self-cleaning models.
A bake element with a visible blister or break, an oven that runs hot or cold, or an error code after self-clean are common reasons for service.
If the cooktop works but the oven doesn't heat at all, the problem is in the oven circuit: an element, the sensor, a thermal fuse on some models, or the control. If neither the cooktop nor the oven heats but the clock still works, check the breaker first, because a range can keep its display on one leg of a 240-volt circuit while the heating elements, which need both legs, get no power.
Safe Checks
- Check the breaker. Ranges use a 240-volt circuit with a double-pole breaker. If half of it has tripped, some elements may work and others won't.
- Swap coils on coil-top ranges as described above, with the range off and coils cool.
- Look at the oven elements for visible damage.
- Check settings such as control lock, Sabbath mode or delay start.
- Use an oven thermometer to check temperature.
Turn off the breaker before removing the range's back panel, cooktop or control panel. Don't work on the terminal block or power cord, and stop using the range if you see scorching at the plug or outlet.
Which Style Is Easier to Keep Running?
Coil-top ranges are the simplest electric cooking appliance to service. Coils and drip pans are inexpensive, removable and widely available, and many repairs take minutes. The trade-off is that they're harder to clean and the open coils are less forgiving of spills.
Glass-top ranges look cleaner and wipe down easily, but their elements sit under the glass, so even a single element replacement means lifting the top. The glass itself is the most expensive part of the cooktop, and a crack retires it. On touch-control models, the electronics add another layer of possible failures.
Glass-Top Care That Prevents Repairs
- Lift pans rather than sliding them, especially cast iron and stoneware.
- Use flat-bottomed cookware that matches the element size.
- Wipe up sugary spills promptly, using a scraper made for glass-ceramic tops, because melted sugar can pit the surface.
- Don't use the cooktop as a counter for heavy items, and don't stand on it to reach cabinets.
- Avoid abrasive pads and harsh cleaners.
- Let the glass cool before cleaning, and don't set cold, wet items on hot glass.
Repair or Replace?
Coils, receptacles, infinite switches, bake and broil elements and temperature sensors are generally modest repairs. Glass tops and control boards are bigger repairs, and they're worth weighing against the range's age, overall condition and parts availability. A range with a cracked glass top and a failing control board at the same time, or a rusted oven cavity, often points toward replacement.
In summer, an oven that runs hot also heats the kitchen. If yours runs well above its set temperature, a sensor or control problem is worth fixing for comfort as well as cooking.
Getting Help
Our range repair service covers coil-top and glass-top electric ranges as well as gas models, and our stove repair page covers the cooktop side in more detail. Same-day appointments are available when booked early, and repairs carry our 90-day parts and 30-day labor warranty.