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Re: FRIDGE DOES NOT COOL
Hi, Have you recently defrosted the fridge? with any type of sharp object?? If so you could have put a small hole in the evaporator plate which has caused the gas to leak out! Or if you have not then depending on its age there could be a small hole appeared outside the fridge in the condenser on the back and the gas has leaked. Or which does happen is the compressor has gone weak and will not pump the gas round the fridge hard enough to condense it and therefore it does not get cold..
If you can give me anymore information then i could tell you exactly the problem.
How long does the compressor run for and is it hot??
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A fridge operates due to adiabatics, which is the ability of a gas to absorb energy by compression, which turns to heat, then dispel heat by evaporation. The little black tank is a compressor which compresses the gas in the condensation loop. When the gas is compressed it heats up, so the little back tank will get hot, as will the condensation grid, often at the back of the fridge, which acts like a radiator to cool down the gas inside. When the gas is evaporated into the evaporation loop, it expands again and any rise in temperature caused by the compression will be lost. Add to this loss in temperature caused by the radiator and you have a total net loss in temperature which is significantly cooler than what you started with.
The problem with your fridge has to start with the fan not working as this fan will help to cool the condenser radiator, unless it is a fan inside the unit itself which just distributes the cool air. (without knowing the make an model of the fridge I cannot determine the reason for the fan). Modern low energy fridges have a better and more economical set-up and it seems that your fridge has seen better days. The compressor is clearly working overtime to get so hot and particularly if it never seems to shut down or the fridge cool down. Sadly, I think it's time for a new fridge. You'll save the money you are currently spending on the electricity to run the old one.
if removing the mother board made no difference to the fridge operation then it would be logical that the mother board is faulty
These machines do not like power surges( can originate many miles away)
have a technician check it out
Most refrigerators get their cooling from the freezer. I suggest that you give it some time, and make sure the small door or damper leading from the freezer to the fridge is open and not obstructed by any food items
if you go here you can see the damper,fan assy. that's in the top of your machine in the fresh food side http://www.repairclinic.com/PartDetail/Damper/WR49X10091/1055112 this is a damper with another fan in it,when the t-stat calls for cold air the damper door opens to let the cold air in from the freezer and the fan in it blows the cold air around inside the fridge,if the freezer is fine and the fridge side is warm most likely this is your problem,part number WR49X10091 and it's around 130 dollars.unplug the machine,remove the light cover on the ceiling,remove the 1/4 inch screws and drop the light assy.remove thhe filter cover on the right side so you can remove the damper assy.pop off the cover on the piece that runs up the back center,remove the screws to the damper,read the instructions and put it back together again.should take you around 45 to 60 minutes.hope this helps and good luck.
Nine out of ten times it turns out to be a defrost issue. What most people dont understand is the refrigerator gets its cool air from the freezer. If the evaporator coil in the freezer becomes a block of ice then the airflow from freezer to fridge section is blocked. The block of ice along with already frozen foods in the freezer compartment help to keep those foods frozen. Therefore you assume the freezer section is fine. However, the lack of cool airflow to the fridge side quickly turns that 38 degree air into 50 degree air. You could try unplugging the fridge and leaving doors open for 24 hours, this will thatw the evap coil. Plug it back in after the 24 hours, and within 12-24 hrs everything should be cool. If the fridge continutes to cool for about 3-6 days and then fails again, you certainly have a defrost problem. This is long winded, but hope it helps
Are you sure the compressor is turning back on. I would bet that you have a tecumseh compressor in your fridge and when they get hot they don't restart till they cool. The bearings in them go bad. We replace those with Embraco compressors. You unplug it and let it cool down and that is why it restarts.
What do you mean turns on. The light inside is on. Do you hear the compressor coming on. If you hear the compressor turning on and the fridge doesn't get cold, compressor might need freon. If compressor doesn't turn on, your timer is not working