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Old 08-05-2007, 03:13 PM   #1
SkaBoneBenny
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Default Goddamned Chest Freezer!

I hate being the guy who posts only when he has a problem, but I've been busy working three jobs etc etc. My apologies.

I bought a large chest freezer for my kegs less than a month ago. I went to check on my American Wheat keg this morning and found that the freezer was 75 degrees inside. The compressor is super hot and every minute or so makes a sound like it wants to turn on, then gives up again. I've been using an external temp control, so I disconnected that and tried the freezer directly. Same problem. Anyone ever have this problem? Could my compressor be shot? And by extension, the whole freezer? It took myself and two friend 45 minutes to lug this guy up three flights of stairs. They are gonna be pissed when I tell them we need to bring it down again, and eventually bring a new one up...

I'd appreciate any advice...

-Ben


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Old 08-05-2007, 03:24 PM   #2
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you're gonna lose some brew over this. sounds like it is the compressor. don't bother carrying it down stairs just toss it out the window


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Old 08-05-2007, 03:24 PM   #3
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Did you buy a used one? If not, it should be covered under warranty, just make sure you disconnect the controller and put it away before the service guy comes.

If you bought it used, you are SOL on the compressor and it will cost more than you probably paid for it it get a guy up there to fix it.
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Old 08-05-2007, 07:22 PM   #4
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Could be the start components..... There should be a current relay and a di-metal thermal overload under the plastic cover of the compressor, and a start capacitor clamped above it. The overload is what is turning it on and off, it breaks contact when the compressor gets too warm. Unplug it and take a look under the plastic cover....the relay could be burnt, or the start cap could be bad, but the only way I know how to check it is with a cap tester.... If those are good, then more than likely the compressor is junk.

Allan
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Old 08-06-2007, 02:47 AM   #5
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Quote:
Originally Posted by howlinowl
start cap could be bad, but the only way I know how to check it is with a cap tester...
Start caps die often when a compressor is run on low supply voltage. i.e. extension cords, multiple items on single circuit, etc. To help understand; Compressors need more juice to get going than line current can supply. The start cap stores juice and dumps it when the compressor tries to start. With a dead start cap, a compressor will try to start and just humm while drawing high current.

If you suspect the start cap, just replace it. It's much cheaper to replace 'em than troubleshoot them.
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Old 08-06-2007, 01:20 PM   #6
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Where can I get start caps? Can I just bring in the old ones?
-Ben
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Old 08-08-2007, 10:03 PM   #7
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Do you happen to have it plugged into a long extension chord?
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Old 08-09-2007, 01:12 AM   #8
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It's probably too late anyhow, but freeze some bottles of water and put them in there to bring the temps down for your brew.
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Old 08-14-2007, 02:46 AM   #9
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Quote:
Originally Posted by SkaBoneBenny
Where can I get start caps? Can I just bring in the old ones?
-Ben
Generally you can find them at appliance repair stores and air compressor repair shops. Take the old one, but remember that a large capacitor like a starter cap can hold a nasty charge. Treat the terminals/leads like an electrified wire even when disconnected. Don't touch them, don't let a tool short them, etc.


Quote:
Originally Posted by BierMuncher
Do you happen to have it plugged into a long extension chord?
This is an important note for any compressor (air, freezer, A/C, etc). Long cords or cords that are undersized drop supply voltage and make starter caps work too hard. That causes them to die prematurely. That's how I met my compressor repair man. On my second trip in he explained what I just said, told me that extension cords were great for his business, and added that for an air compressor you should always use more hose and no extension cord.
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Old 08-14-2007, 03:02 AM   #10
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Quote:
Originally Posted by pldoolittle
Start caps die often when a compressor is run on low supply voltage. i.e. extension cords, multiple items on single circuit, etc. To help understand; Compressors need more juice to get going than line current can supply. The start cap stores juice and dumps it when the compressor tries to start. With a dead start cap, a compressor will try to start and just humm while drawing high current.

If you suspect the start cap, just replace it. It's much cheaper to replace 'em than troubleshoot them.
Actually to put it simply the capacitor in a capacitor start motor provides a phase shift between the voltage and current on the start winding, this difference between the start and run windings allows the motor to rotate.



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