If your fridge is not working even though the light is on, you might save yourself some money on costly repairs by doing some simple diagnostic checks to some of the possible causes. Some of it can be performed at home with a few basic tools.ridge doesn’t run but the light is in working condition.
Step 1 - Disconnect the Electrical Supply
It is always a good idea to disconnect your refrigerator from the electrical supply before you undertake any repair project. Of course, this also means that you will have to remove any perishable or frozen goods and store them in another place, like a neighbor’s house if he/she has the space.
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Step 2 - Check the Temperature
There is a temperature setting knob located inside the fridge. If the temperature is set too high, the compressor will not kick in and the fridge will not cool, so adjust the knob so that it is set to a lower temperature and see if the compressor starts. If not, there could be a problem with the temperature controller itself. If you are good at working on electrical projects, you can save some money and replace the temperature controller unit yourself. Otherwise, you should ask a repairman to do it for you.
Step 3 - Check for Airflow
Your fridge needs adequate room all around it for airflow. Ideally, there should be at least three inches of space between the fridge and the walls of your house, and at least one inch of space between the ceiling and the top of the fridge. If this is the problem, consider moving the fridge to a more suitable location.
Step 4 - Check the Condenser Coils
The black coils at the back of the fridge are known as condenser coils. These coils are what allow the fridge to cool by dissipating heat. If they are not cleaned regularly, they can lose their efficiency and over a period of time, can stop cooling entirely. Check to see that the condenser coils are clean, and if not, use a vacuum or a brush and some soap and water to thoroughly clean them.
Step 5 - Test the Compressor
If the fridge is still not cooling, disconnect it from the mains for two hours. Afterward, plug it back in and switch it on. If the compressor starts up, then there may be a problem caused by the compressor overheating. You should ask a professional to look into this problem.
Step 6 - Check the Defrost Setting
Older fridges come with a button for manual defrosting. Sometimes, the button may become stuck in the defrost mode, causing the fridge to stop cooling. Try to pull the button back out and see if this causes the refrigerator to kick on. If yours is a newer model and fitted with automatic defrost, there could be a problem with the defrost timer unit instead. This will have to be checked by a professional as well.
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