Troubleshooting an Oven with Uneven Baking Results

Cookies burned on one side but undercooked on the other? Your oven may have hot spots or calibration issues. Here’s how to troubleshoot uneven baking.

Test for Hot Spots

Lay slices of white bread across a baking sheet and bake at 350°F for a few minutes. Uneven browning shows where your hot spots are.

Common Causes of Uneven Baking

1. Faulty Heating Element

If the heating element is worn or has hot spots itself, it won’t distribute heat evenly. Look for visible damage or areas that glow brighter than others.

2. Temperature Sensor Issues

The temperature sensor tells the oven when to heat. If it’s faulty, temperatures will fluctuate.

3. Door Seal Problems

A worn door seal lets heat escape, causing temperature variations.

4. Calibration

Your oven might be off by 25-50 degrees. Use an oven thermometer to check actual vs. set temperature.

Quick Fixes

• Rotate pans halfway through baking
• Use light-colored pans (dark pans absorb more heat)
• Avoid overcrowding the oven
• Preheat fully before baking

When to Call a Professional

If your oven consistently produces uneven results despite these adjustments, the heating elements, temperature sensor, or control board may need repair.

Contact TricityRepairs: (604) 399-5952 for expert oven repair in the Tri-Cities.