This is probably too obvious, but did you turn the internal temp control inside the fridge all the way to its coldest setting? That can make a difference. Also, 40 isn't ideal but I don't think it's terrible for lagering.
Piratwolf: "I've heard that Belgian Blondes can be "panty droppers" but they're not particularly high IBU nor cheap."
jmendez29: Haha! I get it! :ban:
Wait. You're not talking about beer, right?
You're talking about beer. That could have been a whole lot more fun.