Welcome to the forum John., Is this a separate air conditioner in the bedroom?
If so, does it have any air coming out at all Such as straight down? If you have one it should be making plenty of noise like it wants to work.
Take the inside cover off and look for anything obstructing the duct work.
Myron & Deborah
08 HR Endeavor 40 SKQ
2012 Ford Edge Limited FWD 3.5L
Aluminator tow bar, Demco base plate