SOURCE: NEC projector LT220 - replaced bulb, works for 1.5 hrs then switches itself off
obviously what is causing the unit to shut down is due to overheating, that is your protection. the question is why does it overheats. maybe your colling fan fliter is blocked. better chek that filter and make sure it is free from dust accumulation. If that's cleaned and still the same, maybe it is your board that's why your original bulb got busted that you had it replaced. better go for the units check then or it will again damage your newply replaced bulb.
SOURCE: NEC VT 640 projector not getting on
Hi there
Have you changed the lamp yet , or checked the lamp for any marks or discolouration ?
SOURCE: NEC VT 470 projector won't work at all
Try pressing the HELP button. Don't release and press the power button. The LED lights should blink. Release then try to power on again.
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