Question about Refrigerators
f your refrigerator cooling doesn't seem to be working well, and you have no idea what to look for in troubleshooting your problem, there are some things you can do to try to figure out your problem without paying a serviceman to come into your home.
FreezingMost new refrigerators come with automatic defrosters. Although this is a standard feature the drain hole in the defrosting assembly can get clogged with debris, lime, or even ice. If this happens the defrost will not work and there will be a build-up of ice in your freezer that begins to block the freon from flowing properly and causing heat to react improperly and cause your refrigerator to stop cooling.
FreonFreon systems in a refrigerator are closed systems but on occasion you may need a recharge. Refrigerators use R-134a freon, just like in an automobile. The old R-12 freon is no longer available, so if you have an older model of refrigerator you will not be able to obtain the freon, and it will be recommended that you replace that refrigerator.
SealsThe seals that are on the door of the refrigerator and freezer can dry rot with time. When you begin to see the seals cracking or warping, if your refrigerator opens more easily than before, or if you see the the door does not close fully without pushing on the door then the gaskets around the doors will need to be replaced. They are held in place by clips and the replacement is an easy fix.
Holes in LinesLet's face it, many people find ice in their freezer or the back of their refrigerator and will try some self-help without knowledge. They will grab a knife or fork and start chipping away at the ice. This is extremely dangerous. There is a great risk of puncturing a hole in the freon lines by stabbing at the ice. Since freon has the purpose of cooling most ice collects the thickest on the inside of the walls with the freon lines right behind the plastics. A better method of removing the ice is to empty your refrigerator, turn it off and leave the door open. If you want to speed up the process you can turn on a blow dryer and aim it at the edges of the ice. If you aim at the edges you will warm up the ice and create warm water which will flow down and help to separate the ice panel from the wall.
Uneven RefrigeratorIf a refrigerator is not even on the floor it may not close properly. Rock your refrigerator and see if it seems to topple from one foot to another. The feet on a refrigerator can be adjusted by screwing in or out and leveling each foot individually until they are all even.
Non-Problem WarmingIf your home is hot your refrigerator will work harder. If you put a lot of food in your refrigerator and freezer, your coolant will have to work harder, and it will seem to take longer to cool. It is just that there is a lot of food that is trying to freeze or maintain cool temperatures.
Insufficient cooling is a fridge repair job that you can do without the help of a professional. Often the fridge has a frost-free failure, or the compressor is faulty but there are many other reasons for a fridge not cooling properly.
Step 1 – Find the ProblemYour first job is to locate the source of the problem. Consider each of the following:
Step 3 – Find the TimerWhen you find the timer, turn the wheel-like screw slowly with a screwdriver until the fridge shuts off. The refrigerator is now defrosting. If you find that the fridge starts now, you will need to replace the defrost thermostat and the defrost timer.
Step 4 – Volt TestIf the heaters do not come on, use a volt meter to ohm test the defrost heater or volt test for 120 volts to the heater. You can bypass the defrost thermostat if you haven’t got power to the defrost heater to check if the defrost heater will come on. To bypass the thermostat, join the two wires together. Replace the defrost thermostat and the defrost timer if the heater comes on now.
If there is a ticking or squealing noise in the defrost timer, or it seems hot to touch, replace it.
Many fridges have and inline fuse on both sides of the defrost heater. You will need to replace the whole heater if one of those fuses blows. Check these fuses with a volt meter if the defrost heater doesn’t work.
A quick check if you have a cooling problem is to inspect the evaporator coils. If there is a build up of white snow on the coils, this indicates a frost free problem; if there is balled ice on part of the coils with the rest bare, this indicates a system problem, like a problem with the pumping compressor.
Hope this helpout , Good luck...
Posted on Jul 11, 2010
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Posted on Jan 02, 2017
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