How To Fix A Commercial Oven That Is Not Cooking Evenly

Commercial cooking ovens are specifically designed to bake and warm up multiple dishes at the same time. As efficient and effective as they are, commercial ovens can pose some problems such as the food not cooking evenly for which you will need the help of a commercial appliances repair expert. Let’s take a look into the potential reasons and how you can troubleshoot the issue.

The Oven Is Not Calibrated Properly

One of the most common reasons behind commercial ovens not cooking evenly is poor calibration. If you are placing a pizza inside the oven and find out that it is half-ready and burned around the edges, it most probably means there is a calibration issue.

Even though if you select the correct temperature, it might be that the real temperature is not reaching the set number. With time, the heating and cooling can put a lot of stress on the unit and could influence the accuracy of the temperature.

To make sure calibration is the issue, you should use an oven thermometer. Place it inside the oven and preheat it to the desired temperature. Leave the temperature inside for at least 15 mins. Then, take the temperature reading.

Repeat the process for at least two hours and see if the average of the readings comes close to the original set temperature. If not, it means the oven needs calibration.

Adjust The Oven Racks

Sometimes, the cause of the problem is simple. The oven racks may be needing replacement. If you are not aware of how to use or place the racks, you should consult the user manual. Although commercial ovens can handle batches of food items, that does not mean you can overfill them or place the food items wherever you want.

If you were to closely observe, every commercial oven comes with sections for different types of food items. This is for making sure that the heat is properly circulated and nothing comes out unprepared. So, make sure the racks are properly placed inside each time and are not tilted or overlayed.

Faulty Temperature Sensor

The temperature sensor has a crucial role to play when it comes to preparing food. It might be that you have set the temperature to 200 degrees but your oven might be heating above or below this. This means you have a faulty temperature sensor.

Although, temperature sensors do not give up soon but can be the case if the oven is old. However, if you have recently purchased an oven, you should claim the warranty. Plus, temperature sensors cannot be repaired. You will need to replace it.

The Oven Fan Is Broken

If you own an oven that uses a fan to circulate heat, you should know that it is an important part of the unit. A problem with the oven fan will not allow the oven to cook food evenly. While your oven is working, check to see if the fan is making unusual noises or is being extra loud.

Furthermore, you can also try checking the fan once it has cooled down. Turn the fan by hand and see if you are met with any resistance. It could be that the bearings have gone bad. You can try replacing the bearings to see if that fixes the issue.

But if not, you will need to replace the oven fan motor. Otherwise, you will not be able to operate the oven without it.

The Elements Are Broken

Typically, an oven consists of two heating elements meant for baking and broiling. Depending on the make, model, and variant of your oven, it might have more than two heating elements. Regardless of the number, if any of the heating elements were to turn faulty, your oven will not be able to cook food evenly.

The good news is that you can identify the problem on your own. Simply turn on the oven and preheat it. You should see all the elements glowing. If you spot an element that is not glowing, it means you will need to replace it. Call an expert to replace the heating element.


Hopefully, the above-mentioned tips give you an insight into the potential issues your oven might face in the future. Therefore, it is important that you keep the above-mentioned tips in mind to quickly fix the issue and consult a commercial oven repair technician if possible. topac

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