My r15 500 dvr tends to reset itself. It does this around once a month to two months. I don't mind that it happens. I even heard occationally reseting your reciever is good for it and will make the reciever last longer. It is connected to a surge protector, as is the tv, dvd, tuner and sub woofer. Only the tv and r15 are on, everything else is turned off. The outside powerline are overhead on poles. It's about 80°, no winds, with few clouds. It takes around 5 minutes when it happens. Is this a normal thing for dvr's or is it a possible power problem like a serge and the reciever resets as a means of protecting itself. Does this happen to other types of recievers, sd, hd, sddvr,and hddvr?