Why Your Refrigerator Is Freezing Your Food (And How to Fix It)

If the food inside your refrigerator is frozen or starting to ice over, the appliance is usually not reading the temperature correctly, thus overcooling the interior. This wikiHow guide will teach you why your refrigerator is freezing food, walk you through simple DIY troubleshooting steps and fixes, and help you determine when to call for help.

Why Your Refrigerator Freezes Food

If the food in your refrigerator is freezing, there may be food blocking the temperature sensor or air vents. If you have an ice maker, make sure it's connected to the water supply or powered off. Check the seal around the door for damage, clean the coils, and let hot food cool before storing.

Section 1 of 8:

Incorrect Temperature Settings

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Your refrigerator's temperature should be around 37 °F (3 °C). Any temperature between 35 °F (2 °C) and 38 °F (3 °C) will keep your food safe and your refrigerator performing its best. ^{[1]
X
Trustworthy Source
U.S. Department of Energy
Official site for the U.S. Department of Energy, which provides resources related to energy safety, conservation, and efficiency
Go to source} If the food in your refrigerator is freezing, the temperature may be set too low, causing the inner temperature to dip below 32 degrees.
- The fix: You can usually change the temperature using a dial inside your refrigerator or through the control panel on the door. Check your manual to learn specific instructions for your model.

Section 2 of 8:

Blocked Temperature Sensor

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Food may be blocking the temperature sensor. If you have a particularly full refrigerator, you may have inadvertently blocked the temperature sensor, causing the refrigerator not to sense the temperature properly. If this happens, your refrigerator will think the temperature is warmer than it is and produce more cold air to compensate, ultimately freezing your food. ^{[2]
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Research source}
- The fix: Locate the temperature sensor in your refrigerator, which is usually on the back wall near the top shelf, or mounted to the ceiling inside the unit. ^{[3]
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 Research source} If it is blocked, declutter the fridge (or move things around), and wait about 24 hours for the problem to correct itself.
 - If this doesn't fix the problem, you can test the temperature by placing a glass of water on the top shelf of the refrigerator and leaving it there for about 24 hours. Measure the temperature with a meat or baking thermometer to make sure it's within the proper range. If the water freezes, the temperature sensor may be faulty, or there could be another cause. Alternatively, you can test the sensor with a multimeter .

Section 3 of 8:

Disconnected Ice Maker

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Your ice maker may be freezing your refrigerator. Even if you don't use your refrigerator's built-in ice maker , it may be trying to make ice, which it can't do if it's not connected to a water source. In this case, the ice maker can release extra cold air into the refrigerator as it tries to make ice, which ultimately freezes your food.
- The fix: Check your ice maker to make sure it's properly connected to the water supply, and that the there are no obstructions preventing it from making ice . If you don't use the ice maker, turn it off to prevent it from trying to make ice.

Section 4 of 8:

Blocked Air Vents

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Like a blocked temperature sensor, blocked air vents can cause your food to freeze. Your refrigerator uses air vents to circulate air throughout the unit properly. If food is inadvertently blocking an air vent in either the fridge or the freezer, the airflow may be restricted, which can cause food to freeze and create ice buildup in some areas of the appliance.
- The fix: Identify the air vents inside your refrigerator (there are usually multiple), and be sure not to cover them with food. Do the same for the air vents inside your freezer, as the vents in both areas work in tandem to regulate temperature. ^{[4]
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 Research source} Depending on your refrigerator, you may be able to reposition the shelves to work better for the type of food you store. Once you unblock the vents, your refrigerator should stop freezing your food after 24 hours.

Section 5 of 8:

Leaky Door Seals

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The refrigerator or freezer door may not be sealing correctly. As you open and close the doors of your appliance over time, the gasket around the edges can warp or break down, making a less effective seal. This causes cold air to leak through the door, making your refrigerator work harder to cool the interior, eventually freezing the food in your refrigerator or freezer.
- The fix: Inspect the gaskets (the rubbery seals) on the inside of your refrigerator and freezer door for bends, tears, and weak spots. Also, ensure no food items are blocking the door from closing completely—don't forget to check on top of the fridge, as something might be hanging down, preventing the door from closing all the way. You can replace the gaskets without replacing the entire unit—contact the manufacturer to find out which parts to order, or to schedule a service person to do the job for you.
 - Replacing the seal yourself is possible, but can be a little more difficult than what it seems. You'll need to unscrew the metal retainer the seal connects to, replace the old gasket with a new one, and screw the retainer back in. Many door seals don't come from the manufacturer exactly fit to form your door. Therefore, you may need to heat it with a hair dryer on a clean surface before putting it on the door. If you have any trouble fitting your door seal, go ahead and call an appliance technician to do this repair to avoid air leaks and future problems.
 - If the gasket is just dirty, you can clean it with soap and water.