I've had a 522 for a few years and last week had a message come up that forced me to do a "check switch" (would have been nice if the message said where that was in the menus). I did and it passed. It came up again every few minutes and eventually it failed and I was dead in the water. The next day, and since, everything was fine. The messages happened during and after light rain (no noticeable loss of PQ). So I suspect its more an issue of some hardware not liking being wet more than rain blocking the signal. I also noticed that the signal strength was much lower than it had been when I last looked at it (many months before) but the screen says the scale had changed so I don't know if the signal strength is really worse. It reads 45 and 62 now (during the problem time and now); I think it used to be 75 and 90, but on the old scale. I don't want to wait till I have a total unrecoverable outage; does anyone know what the (possible) cause of the problem is? The dish (500) is on the roof of a single story part of the house with a clear shot at the satellites. I have no idea where the "switch" is or if its integral with the dish. TIA