In our basement where the freezer is located, there was a lot of white mist in the air. Our freezer no longer works. The fan is on and light but no cooling. It is only four months old. Could all of the coolent have leaked out?
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Make sure everything is clean of debris and I would personally see if you could cool the area around the unit. Maybe use a fan or turn the air down in that room. Humidity and hot temps kill a unit's sealed system.
Ventilation is the key here. I have had the same issue with my upright freezer in my conservatory (Which gets stupidly hot).
Make sure that there is good air circulation around the unit and that the cooling matrix is clean and dust free. Beyond that, you may find that a desk fan pointed at the cooling matrix to increase the air circulation may help - It has helped with mine, though I suspect that in the end, I'm going to have to move it to a cooler place.
If you have never defrosted it before, leave it off for a lot lot longer, doors open in a warm area. Is the fan working when you close the door ?(or hold the door switch in), if not, there could be a problem with the condenser fan), otherwise 90% of the time, they are frosted up internally, and because of good insulation, need time to "warm up" inside, in order to defrost
Coils are probably underneath. remove the grille at the front (usually you just rotate it down to pull off) and then vaccum inside with a wand. If there aren't any coils there either, pull the machine out from the wall, and remove the lower panel from the back side. Inside you should find a fan next to a coil. Make sure that fan is working, and if it isn't make sure it is getting power.
Vacuum out as good as you can, and if you can use compressed air to blow it clean, even better (vacuum first because it will kick out a lot of dust).
If vacuuming the coils doesn't work, then you probably have a freon leakage problem, in which case it is probably not worth the cost of repair.
The evaporator fan in the back of the freezer blows over the cooling
coils. Those coils are typically hidden from view behind a panel.
The problem you describe would lead me to suspect that the coils are
iced over. That is why there is some cold, but not enough. The fan is
blowing over a block of ice. An overfilled freezer is another
Iced over coils may be the result of a malfunctioning defrost system, a
plugged drain tube, a poor seal on the door seals to the cabinet
resulting in a lot of moist air entering the freezer (or fridge) or the
refrigerant level is under pressure (needs more refrigerant added).
Most refrigerators never need refrigerant added, but after 25 years, it
could be that yours does. However, it can only be done by a pro, and it
probably isn't worth investing that kind of money in such an old fridge.
I recommend you start by unplugging the fridge and inspecting the coils
inside the freezer. If they aren't iced over, then the door seals may
be still be the problem by letting in warm air.
The thermostat may have shorted out so that it is no longer making contact to put power to the compressor. After drying out the components try bypassing the thermostat and see if it will start or make any sound whatsoever. If it does start and run with the thermostat bypassed replace the thermostat. 4-6 inches of water can also get to the relay on the compressor. Replacing the relay and over load assembly also be a good idea.
Sounds like the freezer evapurator fan... they make noise on and off at times when bears are wore... Thats about the only thing that can make noise inthe area ur talking about.. if noise comes back listen where the freezer fan is.. is most liklly the problem