Quote: (Originally Posted by
maccajim)

I think it is the bulb 2.5yrs is about what i got out of mine the bulbs wear out as simple as that. Mine was a bit more obvious as the glass tube thing cracked, still i used it almost every dive so pretty long lasting
Hey Andrew,
I concur with the others; your bulb is dead
Replace it and you'll probably be fine.
Best,
Harald