Question about Maytag SkyBox MBV1976A Beverage Dispenser
Any idea what parts I need to replace if my machine still cools but the vending machine is not working?
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: 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).
Posted on Jul 04, 2008
I just ran into this problem on a friends Skybox. It would not cool, took apart and checked start capacitor... checked okay. I was about ready to diagnose the problem as the compressor itself, then I took apart the little white connector that plugs directly into the compressor itself. Inside this white, 3 prong connector there is a little round resistor plate. It was cracked up and fried. Both sides were craked and allowing the electricity to pass directly through the resistor, cause the start cap not to work at all and causing the thermal overload to trip out after a few seconds of a no-start. I temp fixed this by turning the round resistor, which now looked like a rectangle, to fit between both sides of contacts. Hoped this helped!
Posted on Aug 27, 2009
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