Hey guys i could really use some help my 250 from htg supply won't turn back on today i shut it off a few hours early due to construction from the D>W>P. So I shut it off. And it wont turn back on the ballast is making noise this has happened once before but the paper even say's 10 15 min should be back on but not this time plz some help and the bulb looks fine so i dont think thats it.