I recently retested an RH1 belonging to a well known member of the forum prior to returning it from repair. It's only a few weeks since declaring it fixed, but already the annoying problem with the jog lever had returned. Up to now I have always relied to a spray cleaner to alleviate the random non-functioning of this multi-contact switch, but it was obviously not enough in this case. So I steeled myself and decided to try something more extreme. Thankfully I had a damaged switch to try this