My wine cooler power supply is dead (S126SMD2 from hanny computer device co ltd from China). It is a 230v to 12V DC / 5A. Can I simply buy any power adapter or should I get the same one (might be difficult...). Tx for your help
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Thermoelectric wine coolers have a very short life. If you get 3-5 years out of it, you are pretty lucky. Because of the electrical load required to run those things, the power PCBs and Peltier chips burn out pretty quickly.
If you have replaced the circuit boards it's probably associated with a wiring short circuit or compressor failure. Suggest you get a professional technician to further investigate the fault. In the interim check for a short to the frame of the unit, an internal light or for moisture issues or a condensation issue from water.
usually bad power supply, if the cooling fan isn't running either. These are horribly inefficient coolers that use a lot of power to accomplish little cooling. The power supplies are quite notorious to burn up.
If your supply is 12vdc output, you might be able to replace it with a supply from radio shack. dont use a battery charger though.
I had the same issue on a Whynter WC28S SNO 28 Bottle Wine Cooler, it even seems like most of the thermoelectric wine coolers, fridges, and such have the same boards by hanny. For cross refference parts I used NTE because Fry's Electronics had them.
Switching transistors - NTE51
1N 4007 - NTE125
Silicon Dual Power Rectifier - NTE6090
Also I have a venotemp wine cooler that has pretty much the same board, with the same plugs for fans, light, control panal, and cooler fan for $45 shipped at their site under replacement parts. Hope this helps people looking for info on this. Also research Switching Power Supply issues for information.
you should see if theres a DC voltage going to the plate or not. it should noticeably heat up instantly with proper voltage applied. if power is there and it doesnt heat then the thermoelectric device needs to be replaced. also you should be able to measure a resistance of the plate. Should not be shorted or open. it should be a relatively low resistance. like a few ohms. and it may read different depending on which direction you connect the leads.
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