Question about Maytag SkyBox MBV1976A Beverage Dispenser

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Does not cool anymore

Sounds like compressor comes on for about 10 seconds and then goes off. Repeats after a few minutes. Used to work fine but suddenly does not cool at all. midnyt@comcast.net

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Posted on Jul 08, 2008

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I recently posted a possible solution to your problem in another similar thread (I put more detail in that post)...it sounds like the starter relay on the compressor has gone bad (if you take it off and you shake and hear pieces, that is your sign it is bad) - replace with Whirlpool kit 4387535.

Posted on Jul 08, 2008

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1 Answer

When i turn on my beer machine. It turns on and then makes a click noise and shuts down. No cooling at all anymore


What your hearing is the KliXon thermal overload tripping. The compressor is not starting and the thermal overload is trying to protect the compressor.

This can be caused by 3 things.

1. A locked rotor on the compressor. (bad news)
2. A failed PTC relay on the compressor
3. A failed run capacitor.

Usually a PTC relay and a run capacitor will bring it back to life unless the compressor is actually seized.

Thanks for using FixYa.

Kelly

May 20, 2010 | Maytag SkyBox MBV1976A Beverage Dispenser

1 Answer

Maytag Skybox not cooling


sounds like compressor relay --- if the fan and compressor come on and then shut off after about 5-10 seconds -- its the relay --- sometimes you have to also replace the transformer and capacitor on the opposite side of the unit --- all items are accesible from the back of the unit

Jan 23, 2009 | Maytag SkyBox MBV1976A Beverage Dispenser

4 Answers

Maytag SkyBox


For the soda name tags, I pulled logos off the internet and printed them the correct size on 20-pound paper. Different paper gives different translucence, so you might have to experiment to get the right amount of light coming through.
PS: thanks for the part no. on the relay

Apr 21, 2008 | Maytag SkyBox MBV1976A Beverage Dispenser

16 Answers

Maytag skybox stopped cooling


I just replaced my in-pieces starter relay and thermal swich with a Whirlpool 4387535 kit. My Skybox has been working fine ever since.

Note I had the same symptoms as other posts of the compressor turning on/off continuously (but no cooling)...I believe what was happening is that the starter relay would allow current to flow to initially start the compressor, but would never stop providing current to it after it had already started (as it should) thus in a few seconds the thermal switch would sense this and trip / remove power to the compressor...then this cycle would start all over once the thermal switch cooled down again and let power back to the compressor...

This kit is evidently the newer style of what is on the original Skybox compressors (functionally speaking)...the new starter relay looks and installs like the old one, but the thermal switch is different and you need to remove the old one (follow the black wire on the top post of the compressor back a little to a small black round thing with a flexible metal piece inside). The good news is that once you remove it, it already has the correct spade lug on the wire to plug directly into the new thermal switch which sits right on the top lug of the compressor above the starter relay.

Note I'm not a service tech, just a Skybox owner who was/is tired of Maytag disowning this product and calling it a "throwaway" when any part of it stops working (and all local authorized service centers laughing when asked to repair one).

Continuing on with my rant a little, I also see other posts on the internet which also state "throwaway" when you actually have a bad compressor because you can't get direct replacements anymore - my friend who does AC work on the side said he most certainly could put another compressor in there from probably just about any other mini-fridge...he just noted that it is a small place to do it so the replacement compressor form factor will have to be considered. He stated you may get a little more or less cooling efficieny but who cares if you really want to keep your machine working that you can't buy anymore (nor get a close alternative).

Mar 13, 2008 | Maytag SkyBox MBV1976A Beverage Dispenser

3 Answers

Where can I get a new compressor for the Skybox?


If you can get the model#,serial# etc. off the commpressor your local a/c supply house should be able to cross referance it.

Nov 20, 2007 | Maytag SkyBox MBV1976A Beverage Dispenser

9 Answers

Maytag Skybox MBV1976AAB Compressor Start Relay


Hi, Relay switches can be found easily on amazon, take a look here: Check out TRENDnet latest products. Wish you best of luck.
John

Nov 15, 2007 | Maytag SkyBox MBV1976A Beverage Dispenser

1 Answer

Maytag skybox cooling


Is it cooling at all? Do you hear the compressor start or just a buzz for a few seconds? This sounds like a compressor or compressor start relay failure. Unplug the machine. Access the compressor and remove the relay that is plugged to the side of it. Shake it and see if it sounds like there are a lot of loose pieces in it. Inspect it for burned spots. If you find either one of these, it is bad. If it doesn't rattle or appear burned then the compressor is probably bad. Even if it seems ok, I would try a new one on it anyway. They aren't usually very expensive. If the relay is not the problem, check your owners manual for the warranty info. The compressor may still be covered by warranty even if the rest of the unit is out of warranty.

Oct 10, 2007 | Maytag SkyBox MBV1976A Beverage Dispenser

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