Samsung 5087 color wheel

[Sonnyg33]

Hi everyone, I have a Samsung 5087 DLP Star Trek tv, I've replaced the Ballast, new lamp and DMD board however the color wheel shudders forward and backwards for 3 cycles then the tv shuts off, the temp, fan light come on for a sec and go off but the lamp light stays on. The tv is great when it works but just about ready to give up. Any help would be appreciated.

[appleads]

Auto shut off can be a sign that the blue safety switch is either not triggered off correctly, or the switch is bad (less likely) Did you put the back cover on correctly????