Dead fridge

Any ideas of why my fridge may have died?

I have a sanjo fridge which has been working fine. I’ve checked the fuse box and everything seems to be ok. Is there another fuse I should be looking for or is it likely just to be too hot? It’s not registering or lighting up at all so guessing power has gone for one reason or another.
 
My Dometic went off the other week. I had a look at the back of it and found a wire had worked loose from the connector block.
 
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