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The problem with Air Grabber is the door opens in the off position and closes in the on. Still trying to figure out the problem.



My Air Grabber does the same thing.
I've disconnected all the tubes. Put them back together according to the book and it doesn't function. Yet it does function (opposite) they way I have it connected.
I've run they lines every way possible and it only works (closed) as open and (open) as closed???