when i first got mine it use to do that, and ever couple days another light in the ring would light up. it took about a month for the whole ring to light up. I assume maybe it had to get warmed up i dont know.Lanthom said:I've got a new HR21 and something has been bugging me since I had it. The light on the front normally is a ring but every once in a while the light will be just lite on the top. Does that have any significance at all?