The problem is you do have the wrong switch for your door sensor.
Whenever we hear that the steps are working in reverse that usually means you have the incorrect door switch, normally closed vs normally open or it is installed wrong. For a normally closed door switch we have the Lippert Components Kwikee Round Magnetic Door Switch part # LC379400 and for a normally open door switch we have the Lippert Components Kwikee Pleated Plunger Door Switch part # LC379407.
My guess is that maybe... view full answer...