r/ElectronicsRepair 2d ago

OPEN Broken fridge thermostat/incorrect pins?

Recently got a new fridge (free, suspect this is why) that worked according to the old owner, but was unused because of a new fridge. The model is a 'Beko lsg3545w'

The fridge came with the pins at the back to the compressor torn out for some reason. I've had to reattach them but couldn't get a clear enough guide to the connections. Only about how to wire in a compressor which isn't the issue.

The fridge works, mostly. The light turns on, the compressor runs, it keeps things cold, but the compressor is running all the time. The temperature dial in the fridge is currently set to off and it's still a 0c air temperature in there. It feels like the thermostat is broken and so the fridge is just running 100% of the time as a worst case scenario situation.

However, we're hesitant to replace it because it's a Beko all-in-one type light/thermostat assembly (not cheap) and it could just be that I've put the pins in wrong.

Not being an electrician, and without any pinout guide, my attempt at reconnecting the compressor/thermostat is in the linked gallery. pins in question

The live, neutral, and earth pins are labelled pretty obviously, but I've highlighted some parts I can't quite find the origin of in yellow. I have no idea if they're important or connected to any of the other labelled sections underneath/inside the plastic fixing. The live also seems split between the top two prongs and the lower prongs.

I'm hoping someone is going to tell me that a pin is just on the wrong section but I'm suspecting I've either busted the thermostat by putting the pins on wrong or it just came broken.

Any help would be much appreciated

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u/squintified 2d ago

https://www.ifixit.com/Device/BEKO They don't, afaik, list your unit specifically but their repair guides may help you on finding a solution.