Your refrigerator is probably the most used and relied-on appliance you have in your home. So if it stops working correctly, this can be very annoying and disruptive.
One of the most common problems people have with their fridge is when the compressor doesn’t shut off and instead runs constantly. Thankfully, most of the time it is usually something simple that is causing the problem that can be easily fixed.
In this article, we’ll explain what to do if your refrigerator won’t shut off.
The first step is to check the temperature of your freezer. If it is set to the wrong temperature (above 10 degrees Fahrenheit or -12 degrees Celsius), it can make your fridge keep running, as it has to work harder to keep the refrigerator unit at the right temperature.
Here’s how to check the temperature:
The condenser coils help dissipate heat from the refrigerator. If they get dirty or covered in ice, your fridge will have to stay on constantly to keep the fridge at the right temperature.
Here’s how to check the condenser coils:
The condenser fan helps to circulate warm air over the coils so they can cool down and not freeze over. If the fan becomes faulty, your fridge might stay on constantly.
Here’s how to check the condenser fan motor:
The defrost heater helps to melt frost or ice off the condenser coils. If it becomes faulty, your refrigerator might not turn off from its cooling cycle.
Here’s how to check the defrost heater:
The next step is to check the defrost thermostat. The purpose of this component is to tell the defrost heater to turn on when it needs to so that it can help melt any frost or ice in the refrigerator unit. If it stops working, your refrigerator will keep running.
Here’s how to check the defrost thermostat:
The door gasket/seal ensures that your refrigerator door stays shut correctly and no air can escape from it. When it becomes faulty, your refrigerator will need to stay on continuously so that your fridge stays at the right temperature.
Here’s how to check the door gasket:
The defrost timer tells the defrost heater when it needs to turn on and off. If it becomes faulty, your refrigerator might stay turned on constantly.
Here’s how to check the defrost timer:
If you still haven’t fixed the problem, your last option is to replace the main control board. The control board very rarely becomes defective, but it can happen. The problem is it’s very difficult to test, so your best option is to just replace it. However, if you have an old fridge, you might be better off just buying a new one.
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