I have a 12v isotherm upright 125/50 litre frig/fzr with bdf50 compressor.3 yrs old. For the last few months when compressor shuts down, it almost immediatly starts again and runs /stops for a few seconds over about 1 to 4 minutes before stopping for whatever time it takes to start its cycle again.
where do I start looking? Thank you.
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The warming and cooling cycle is off. Refrigerators cycle hot and cold, this allows the frig from not turning into ice. Remember the old days you had to leave the door open to defrost ?
There should be an adjustment at the bottom (in front) just below the front door side underneath the frig. Some have a knob, others have a screwdriver blade. Try that 1st, otherwise your compressor is going bad and not putting out the proper cooling. 18 months sounds awful short for a bad compressor. They can last a lifetime.
First I'd rush to find my warranty papers before time goes by, because no one will fix a compressor. Once a compressor goes bad it spells junk, buy a new fridge.
The other part that can go bad are the warming bulbs hidden in the walls, but usually the fridge stops cooling period when that happens because the electrical circuit is broken. One needs a closed circuit to make anything work. Also check if the compartment has a separate cooling adjustment, many have. The other thing to check is to look for
the cooling adjustment within the refrig itself, which controls the entire refrigerator. Turn it a notch at a time cooler. The main cooling adjustment is usually located on top in the upper portion within the fridge. Make a list of the items I mentioned, then check them off because I didn't give the causes in the exact order.
I think the wire was kinda expensive. If I were you I would try to save the fridge. I think you should unplug it for a couple hours, take everything out for a while and remove any ice. Once the fridge reached room temp, the refrigerant should have made its way back to the compressor. Plug it back in and see if it makes the noise again.
It might just be the fan in the freezer. I would try the unplug/deice for a few hour method first because it is free before you try to replace a fan that might be bumping ice. Good luck!
Generally, This would be a sealed system problem. An inefficient compressor or low refrigerant. If you notice a build up of frost on the freezer panel it might be a defrost problem, but, I am leaning towards an inefficient compressor.
you need to replace the start components on the compressor, theres a relay that mounts on to the compressor that takes out the start winding after it starts the compressor up. You can also try whats called a three in one to try to start up the unit. Good Luck.
Is that everything in your freezer or just in the fridge. Is this a frostfree model. Often if defrost fails in a frost free model then it is unable to duct cold air to the refrigerator side of things. To fix- turn it off for a day or two.
The compressor is locking up when it gets hot. We have seen alot of this on the units with Tecumseh compressors. If it is less than 5 yrs old it should still be covered by the sealed system warranty and repaired free of charge.
If it is out of any warranty, there are "fit-all" compressor starters with start capacitors built in them that give it a little extra boost on start-up. They are called 3-in-1 or kickstart starters. This will usually buy you a few months until you can replace fridge.
If it is covered by warranty but will take a few days to get repaired, you can get by ok by unplugging fridge at night and plugging back in in the morning. This is what I tell my customers when I have to order a compressor and so far they have been able to keep from losing food.
That sounds like you may have something in your condenser fan motor.. piece of bag, paper and may have stopped your fan altogther.. that would be the first place to check.. right by your compressor in the back of frig.