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What happens when you try to move the slide? Any noise at all? Are you plugged into shore power or not? If you know the maker of the slide hardware it would be helpful or at least if this is an all electric slide or a hydraulic version. Some of these offer both. I will also offer you a phone chat option in case you think that would be more helpful here.
Just checking back in to see if you perhaps missed by earlier response to your question? If you need more help with this please get back to me with the required information and I can help you sort this out.
Thanks for letting me know............hope we can help out next time.