How to Fix a Toaster Oven That Won’t Turn On

Is your toaster oven refusing to turn on? Don’t worry – it’s a common issue that can often be fixed with a bit of troubleshooting. Whether it’s a simple power issue, a faulty component, or something more serious, this guide will help you identify and resolve the problem so you can get your toaster oven working again in no time.

Step 1: Check the Power Supply

The most common reason a toaster oven won’t turn on is a power supply issue. Here’s how to start:

1.1. Ensure It’s Plugged In Properly

Make sure the toaster oven is securely plugged into a working electrical outlet. Sometimes, a loose connection can prevent it from turning on. Try plugging another device (like a phone charger) into the same outlet to check if the power source is working.

1.2. Test a Different Outlet

If the outlet seems fine but your toaster oven still won’t turn on, plug the oven into a different outlet. This will help rule out the possibility of a faulty outlet.

1.3. Check the Power Cord for Damage

Inspect the power cord for any visible damage. If you notice frayed wires or exposed insulation, the cord may need to be replaced. A damaged cord can prevent your toaster oven from powering up.

Step 2: Inspect the Door Latch

Some toaster ovens are designed not to turn on unless the door is properly closed. If the door latch or sensor is faulty, it may prevent the toaster oven from operating.

2.1. Ensure the Door Is Fully Closed

Make sure the toaster oven door is completely closed and latched. If the door doesn’t close properly, check for any obstructions (like crumbs or dirt) blocking the latch mechanism.

2.2. Check the Door Latch Mechanism

If the door appears to be closed but the toaster oven still won’t turn on, the latch mechanism might be broken. In this case, you may need to repair or replace the latch to get the appliance working again.

Step 3: Check the Fuses and Circuit Breaker

If the power supply and door latch are working fine, the issue could be with an internal fuse or the circuit breaker.

3.1. Look for Blown Fuses

Some toaster ovens are equipped with internal fuses that protect the appliance from electrical surges. If the fuse blows, the toaster oven may not turn on. Refer to your toaster oven’s user manual for instructions on locating and replacing the fuse.

3.2. Check the Circuit Breaker

If your toaster oven is plugged in and the fuse is intact, but it still won’t turn on, check the circuit breaker in your home’s electrical panel. If the circuit breaker has tripped, reset it and see if that restores power to the toaster oven.

Step 4: Examine the Thermostat

A malfunctioning thermostat can also cause your toaster oven to stop working. The thermostat controls the temperature inside the oven and can prevent it from turning on if it’s damaged or malfunctioning.

4.1. Test the Thermostat

If you suspect the thermostat might be faulty, it may require professional repair or replacement. To check the thermostat, you can use a multimeter to test for continuity. If there’s no continuity, you’ll need to replace the thermostat.

Step 5: Check the Heating Element

The heating element is another critical component of your toaster oven. If it’s damaged, the toaster oven may not function properly.

5.1. Inspect the Heating Element

Carefully examine the heating element for signs of damage, such as cracks, breaks, or scorch marks. If the element looks damaged, it may need to be replaced.

5.2. Test the Heating Element

You can use a multimeter to check the heating element for continuity. If the multimeter shows no continuity, the element will need to be replaced.

Step 6: Reset the Toaster Oven (If Applicable)

Some toaster ovens come with a reset button or feature that can help resolve minor issues. If your toaster oven has this feature, follow the manufacturer’s instructions to reset the appliance.


A toaster oven that won’t turn on can be frustrating, but by following these troubleshooting steps, you can identify and fix the problem in many cases. Start with the basics like checking the power supply and inspecting the door latch, and then move on to more advanced fixes like checking the fuse, thermostat, and heating element. If you’re still unable to get your toaster oven working, it may be time to consult a professional repair technician.

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