Avanti 12 bottle wine cooler...switch is bad. Electricity going to the switch but not turning on. Where do we get one? Avanti is NO HELP!

https://manualsdump.com/en/manuals/avanti-wc1500dss/66172/12
The above has a troubleshooting matrix.

Power supply: Check if the wine fridge is receiving power from the mains supply. If it's not, there might be a major issue with the mains power or the PSU circuit board in the product that'll likely need replacing if it's faulty.
Condenser fan: The condenser fan is designed to cool the condenser and condenser coil within the Avanti wine cooler. If it doesn't function, the condenser and coil can overheat - causing the internal area of the wine fridge to heat up too. Take a look at the rear of the unit and make sure the condenser fan is spinning freely and not blocked (by dust / dirt) or making excessive noise due debris or a blockage.
Thermostat: If the Avanti wine fridge thermostat is working correctly, it's responsible for making the condenser, evaporator, fan, and compressor work - so it's super important! The thermostat also allows you to control and adjust the temperature of the wine cooler so if the reading on thermostat is inaccurate (or flat out wrong) the wine cooler temperature will likely be inaccurate too.

Why Is My Avanti Wine Fridge Not Cooling (And How To Fix It) - Expert Wine Storage

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Hi, This is very easy designer this Board, I 'm a repair center from this boards.... what do you need from shematic this board, question for my and I give help for you from Brasil in www.indexdata.com.br.....

I've added a link for an Avanti ewcb,
http://www.retrevo.com/support/Avanti-EWC16B-Refrigerators-manual/id/867bh235/t/2/. There you can find a complete manual on the product which will help you to locate where the problem is coming from. hope I've helped!

There is such a wide variety, and it really depends on how much space you have and how many bottles you keep on hand. I will send you a few great links, but I urge you to do some extra browsing of your own.

http://www.newegg.com/Product/Product.aspx?Item=N82E16896164128&nm_mc=OTC-Shopping&cm_mmc=OTC-Shopping-_-Wine+Coolers+++Accessories-_-Avanti+Products-_-96164128

http://www.walmart.com/ip/Emerson-8-Bottle-Wine-Cooler-Silver/8251631

http://www.compactappliance.com/Magic-Chef-8-Bottle-Countertop-Wine-Cooler-MCWC8DCT3/MCWC8DCT3,default,pd.html?mtcpromotion=cj

here is the reference manual for that model hope it helps http://www.avantiproducts.com/manual/ewc12.pdf

either the electronic control is bad, or there is a temp-hold button somewhere on it

the wine cooler has to be at least 3" away from the wall, do not block the air flow to the condenser. or check power plug to outlet is it secure.

contact avanti cust svc they are easy to work with and want you happy tell them your promb but i suspect you need a new themostat