Chuck is right, I'd run the jacks up and down a few times and make sure they're extending all the way. Also try checking your fluid level and make sure you have enough. Next, there are 2 boxes with wires going to them in your basement( on my RL they're on the port side up right behind the leveling pad area). There are directions on them printed on how to reset the system. One of those boxes is for the leveling system and the other is for the slides (I believe). This is going to take a flash light, reading glasses and about 4 fingers of Jack.
Edited by: Dave&Ginny
SOB "The RV Wiseguy"