Question about ViewSonic PJ556D DLP Projector
Projector has 1800 hours on bulb. Unit will turn on for about 60 seconds and then shut down. Lamp light turns red and indicates an overheating issue. How can this be overheating only after 60 seconds. Bulb works as picture is clear for the short time it is on.
My solution sounds dumb, I had the same issue. Took the lamp cover off the bottom. The screws were loose holding in the lamp. Maybe they heat and expand and eventually work their way out and the lamp doesn't make good contact. Just tightened mine up, the unit would power off after 45 minutes prior. Been on now for 5 hours, no trouble.
Posted on Feb 11, 2009
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