[David Schwertner]

I had the same problem in the past on my 08 MS. In fact it has happened more than once.
At the DRV rally in Colorado in June, I mentioned this to Lippert Rep and he said to run the bedroom slide in and out three consecutive times and it will fix the problem. Also, the toggle switch sometimes get dirt in it, so they said to work the switch back and forth some might help also.

Hope this helps, it is worth a try.
David