Thanks for posting. I have two mom working ballasts. I've already removed the igniter from one .
CakeCakeCake Reviewed by CakeCakeCake on . 600W HPS Ballast problem I was wondering if any one has opened/ worked on an HPS ballast before? A couple weeks ago I fired up my indoor grow again and found one of my HPS lights not working! So I let it sit "ON" for an hour, thinking it may need to warm up, nothing. Next, I hopped up in the attic, where the ballast is, and checked plugs, everything was good. Then I took my bulb to my hydroponics store, they plugged it in, bulb is good. So now I've troubleshot it down to the ballast. I know from research there are 3 Rating: 5