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hey everyone.
my fridge makes a high pitched noise when it starts up , this stops. But then it seems to not want to stop running. The fan will stop, but then the high pitched noise kicks in again and the fan starts up again. This pattern seems to be looping....going over and over.
Anyone familiar with this?
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Is the fridge cooling as it should?
scott
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It was quite cold when I first noticed it doing this and shut it down when it would not stop. So I'm not sure if it's not still cooling or not.
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I have nothing that would help. Unless someone else here has some wisdom or google can help you 
then might be time to give someone a call to come take a look at it.
scott
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I tried running it today and after 2 hours it was not getting cold. Are they charged with freon?
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Yes. It sounds like an issue with your compressor. Which in most cases requires total replacement of the compressor unit. The squealing sound is not a good thing given the lack of cold. It should have started cooling in a matter of a minute or two. I know that in general there is usually oil included in with the freon to act as a lubricant to the moving internal parts of the compressor. If it had all leaked out then maybe that would cause it to start squealing. Maybe fixing the leak and recharging it would bring it back but I think you need a decent repairman talk to about that. Finding someone that really understands refrigeration and has experience is usually pretty hard. I have dealt with a lot of A/C guys and most of them just sorta are parts exchangers and don't really totally understand the systems. I would ask around and try to find the guy that works on boat A/C, Refrigeration that everyone trusts and thinks of as a wizard. If you can find that guy I would have a talk with him or get him to look at it for you.
What kills me is the price of those things. They are not that freaking complex as a unit or big but are one of the most expensive things on the boat after the engine.
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Squealing is a bad motor bearing, usually. In theory you could replace the whole motor, but in reality if may be less expensive to replace the unit. Your best bet is to take it to a qualified service tech who can look at it and see if it's salvageable.
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It's a possibility you may have a leak somewhere in the lines
this would explain some squealing and over running because pressure is not building up
mix water and dawn soap and spray those evaporator lines
if you find a leak it's time to buy a mini torch and some silver wire
and braze it like you would soldering a wire
if it's the compressor it may need new seals
if it's all junk then Adler makes a 12v dc cold plate you can retrofit into the fridge
I myself am picking up a sea freeze brand freezer with 12v dc setup
you needing a fridge setup I would recommend looking for a thermoelectric mini fridge
12v dc preferably as the 1 amp will be 10 amp using it as ac110 through a inverter that is also inefficient
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