How are you cooling the bulb? Does the hood and reflector have active air flow or do you have a fan in the room?
chicago_white_guy Reviewed by chicago_white_guy on . HELP! MY MH LIGHT JUST WENT OUT! i just got my 400 watt mh/hps ballast 3 days ago, and ive been pretty much running it 24/7 since i got it... about 20 minutes ago it shut off for no reason... i tried turning it back on, but it just made noise like it was trying to start, but the bulb wasnt coming on,i could see like electricity in the MH bulb that looked kind of like lightning so i shut it off real quick. i let it cool off for about 5 minutes and then it turned on with no problem. what do you think happend? and what should i Rating: 5