yes it sounds like you have the famous Lippert Schwintech system very prone to motor failure (as well as track failures.) I'm surprised you made it from 2006 without failures. I just replaced my motors and tracks ($1000.) First time took 3 years and a 2nd time two more. Read up on the lippert system and find the emergency procedure to get them to move Then order a couple of $200 motors and install them. They are on the upper side of each wall but you will need to get the slide out a bit to get to them. Nice youtube video will help. Of course you may not have these slides but my $ is on Schwintech. Sorry for my outburst but i've been a little PO'd with them!f
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