Some Electric slide motors have a clutch feature. This means when the slide out reaches full extension or retraction, the motor clutch causes that racheting sound and you release the button(prevents blowing the fuse). IF the Motor rachets on extension then does NOT on retraction your motor/Clutch is defective. But not worth replacing. Install a 30 amp Auto reset 12 volt breaker. That way, the breaker resets after a few seconds. Jayco actually installs Auto reset breakers for some of the slide rooms because of this. The basic rule of thumb is, you NEVER should adjust or move the Force adjustment on a slide room control box if you have this type. That is why most of these type boxes have a paper seal over the adjustment pot. The Intellitec(Newmar uses these) brand slide controllers are the exception to this. Doug