Need an electronics wiz's advice

[marcingo]

Hello. I woke up today and noticed one of my 150 watt MH pendants wasnt on. So I proceeded to figure out what was going on. Basically this is what is happening. Systematically as the light and ballast cool down the ballast turns the light on up until the point that the light reaches full color, at this point the ballast shuts off the light. I have an electronic start ballast with a double ended HQI bulb. Any ideas what I could try to fix this problem? I realize my ballast has most likely crapped out but I would light to see if I can get it to work temporarily before a new one comes in. Thanks very much.