Just bought new house. Half HP Craftsman chain drive garage door opener. No remotes. But wall mounted push button works fine. Realtor brought over 2 new remotes and programmed them. They work fine. But wall mounted remote immediately stopped working. Lights no longer flash when I push the buttons. New battery no help. No manual. Can't figure out how to remove it from the wall and buy a new one. Stuck. Any help?
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