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Re: Skybox won't cool enough.
You might need the compressor checked for freon level
when the compressor stops cooling entirely - the products will stay room temp.. when this happens -- the relay overload switch is the problem -- most sites tell you to change the capacitor and transformer -- this is expensive and not the problem -- its like changing the starter and alternator on a car -- before checking for a bad battery
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The red lights on the board indicate it is working properly. The purpose of the board is to control the dispensing of the beverages, and has nothing to do with the cooling process. You have a cold control (thermostat) inside the refrigerated area. The cold control is like a switch that sends 120vac to the compressor when cooling is needed. The failure of the unit to cool would be either a bad cold control, compressor, or compressor start relay. Testing of live electrical circuits should be left to a qualified service technician.
The SkyBox operates with two individual systems. The dispenser assembly, the LED indicators and the circulating fan operate on a low voltage circuit. The circulating fan runs anytime the SkyBox is plugged in.
The cooling system operates on 120vac. The cold control inside the beverage compartment is an on demand switch that sends 120vac to the compressor when cooling is needed. There are no parts available for the compressor, so if it determined that power is reaching the compressor, the windings are ok, a 3 in1 hard start kit (Supco URCO210) can be installed by a qualified service technician.
The SkyBox was built for Maytag by a company in China. Production stoppedabout 2 1/2 years ago, and Maytag purchased ALL available service parts available at that time. As inventories are depleted, there will be no more parts available.
An issue with the SkyBox involved a build up of frost and ice on the evaporator plate built into the wall behind the dispensor assembly. This build up insulated the product from the evaporator coil. It also caused the circulation fan to stop running. Unplug the unit and leave the door open for 24 hours. Plug it back in, set the thermostat indicator at the 11:00 position and close the door. See if this brings the temps back down to the 36 to 42 degree range, I hope this helps.
The likely cause is a heavy frost and ice buildup on the internal evaporator plate behind the dispensing unit. Unplug the unit and open the door for 24 hours. Plug the unit back in, reset the thermostat to the 11:00 position.
It may well be that the sealed system has partially lost its charge of refrigerant due to a leak. On these very small systems locating a leak can be very labor intensive and costly. At the compressor there will be two lines. With the compressor running the small line should be hot to the touch and the larger line cool to the touch. If the small line is barely warm it could be a sign of the shortage of refrigerant in the system. At the same time the larger line entering the compressor would be near or at room temperature.
Looks like I found the answer to the problem of Skybox not dispensing. I replaced the sensor in the dispensing door and my Skybox now works great! Part is available from partselect.com just look up your Skybox model number, mine was Skybox model MBV1976AAB. The diagram on the website should show you the exploded view of the door section of your Skybox. You are looking for partselect.com part number 901892 or on the exploded view it will be number 21. The Maytag part number is 11001182, board flipper sensor. My Skybox had been down for two years and now works again!
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).