A wall console unit for a garage door opener is not a complicated device so it s fairly simple to troubleshoot when something seems to go wrong.
Chamberlain garage door opener wall switch not working.
Not sure what brand garage door opener is talked about here.
If your garage door opener s remote isn t working try fresh batteries a closer range or reprogramming the remote.
Depending on the model most work by connecting two to four wires onto terminals mounting the device on the wall and then plugging the unit into an electrical outlet.
Motor unit assembly parts rail assembly parts and installation parts for chamberlain belt drive garage door opener models b500 b500c b503 b503c b510 b510c chamberlain 8100 8100cm 8100m repair parts list and diagrams.
I have a genie door opener and installation manual for the wall button has in warning.