Where are you in Riverside? My wife has a Double Red, White and Blue S2000 (or S+) that's down. She really loves the machine, but I it has the Door Open MB error. The Varta was damaged, but the board looks really good. Removed the Varta and still have the issue. I see some posts they pulled the (U16) chip, but I am not sure the 7551050 board has the same chip configuration and if there is a chip that still needs to be removed. If not, I am looking at a new board. I can't find a 7551050 and, through this site, think I need the 504B upgraded board? That seems to be $300+ shipped. $500 guaranteed working seems like a better idea, but I am not sure I can convince her to abandon the machine and then what do I do with it. Anyway, I am in the San Diego area and would like to know how far I need to go. Thanks,