Stop in for a cup of coffee

Some fridges are fine, but others not so much. My brother moved a working fridge, and it died. But im certain he didnt let it sit after moving it. But he’s a dumbass, probably flipped it end for end to get it into the house.
What happens the refrigerant as a liquid on the high side of the system migrates to the low side and has to rebalance for lack of a better term.