Hello all, I have a 2013 Landmark Sequoia that we just bought. And the bedroom slide worked fine when we bought it but now when I go to retract it goes for a few then stops and 1 min later it goes a little farther and does the same thing. About 5-6 times until it’s closed and the same thing when opening it. What should I look at or repair we are leaving for Florida at the end of February and I would like to fix this before the trip. Thanks for you help