Hmm... If you didn't touch the wiring while you were up on the shelf and didn't change the position of the three levers once you fell down there is no reason for the scoop not to operate exactly as it did when it picked you up the first time.
What version of the game are you playing and on what device?
Well, nobody said that he didn't touch the three levers.
Jamesmark, you should check those levers and tell us in what position each one is.