Oven Not Heating Properly? What It Means and How to Fix It

If your oven turns on but doesn’t heat up — or takes forever to reach the right temperature — you’re not alone. A non-heating oven is one of the most common appliance repair issues, and it’s usually caused by a few simple problems you can troubleshoot before calling a technician.

Common Reasons Why Your Oven Isn’t Heating
1. Faulty Heating Element
In electric ovens, the bake or broil element generates the heat. If it’s burned out or damaged, the oven won’t heat properly.
→ Check if the element glows red when the oven is on. If it doesn’t, it likely needs replacement.
2. Defective Igniter (Gas Ovens)
For gas ovens, a weak or broken igniter can prevent the gas from lighting.
→ If you hear clicking but don’t smell gas or see a flame, the igniter might be the problem.
3. Thermostat or Temperature Sensor Issue
If your oven overheats or underheats, the temperature sensor might be malfunctioning or touching the oven wall, giving false readings.
4. Blown Thermal Fuse or Wiring Issue
A blown fuse or damaged wire can cut power to the heating components, stopping your oven from working entirely.

How to Troubleshoot an Oven That Won’t Heat

Step 1: Check the Power or Gas Supply
Make sure the oven is plugged in and the circuit breaker hasn’t tripped. For gas models, confirm that the gas line is open.

Step 2: Inspect the Heating Elements
Visually check for any cracks or blisters in the heating elements. If they’re damaged, they’ll need to be replaced.

Step 3: Test the Temperature Sensor
Locate the sensor (usually at the back of the oven) and make sure it’s not touching the wall. If the sensor looks fine but the oven still heats unevenly, it might need calibration or replacement.

Step 4: Reset or Restart the Oven
Unplug your oven for a few minutes, then plug it back in to reset the control board.

If your oven still won’t heat after these steps, it’s time to call a professional technician for diagnosis.

Why You Shouldn’t Ignore Heating Issues

A weak or malfunctioning oven can lead to uneven cooking, higher energy bills, and even safety risks. Getting the issue fixed early prevents further damage and keeps your kitchen safe and efficient.

Professional Oven Repair in Toronto

At Star Appliance Repair, we specialize in electric and gas oven repair for all major brands — including LG, Whirlpool, Samsung, GE, and Bosch.

Our certified technicians offer same-day service, use original parts, and provide a warranty on all repairs.

Need expert repair? Call Star Appliance Repair at (647)-847-8774 today!