I havd a select comfort sleep number bed. My remote does not work correctly. The screen looks like its displaying "01" or even c1 but the c looks backwards. The remote is wireless & has 4 buttons. An up & down arrow in the center, a "L" on the leff & "R" on the right. I have changed the battery, checked all connections & unglugged motor. Nothing works. The bed is about 9 years old. Any help?