Question about BenQ Office Equipment & Supplies
My Projector can't Turn ON. when i plug the cable and i turn on the switch behind projector, three lamp indicator is always ON and showed red color. please tell me the good solution
Posted by Anonymous on
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Posted on Jan 02, 2017
Thats the projector telling you that you need to replace the lamp. Lamps usually lasts for about 2000 hours so if you had it for a while you may need to replace it.
www.froogle.com and enter your make and model or go to www.projectorcentral.com and find a few retailers in the US that sells lamps.
Posted on Jan 02, 2008
There is a small tab on the lamp cover that should press into an "L" shaped slot on the lamp housing. This tab may break off, and not press into slot far enough to make the lamp dectection switch click. When the lamp heats up, the plastics expand and the detection switch opens. The projector quits as if no lamp is installed. The fix is to make an extension for the tab. I cut a small piece of sheet metal and crazy-glued it to what was left of the plasic tab.
Posted on Feb 04, 2009
SOURCE: rest benq pe8700 projector
if the lamp comes on, hold the exit button down until the osd comes on. press enter, then the right or left arrow button to reset it, then the exit.
Posted on Nov 12, 2009
I have the same problem, however, my lamp wasn't replaced. Projector working great, just started today. Filter cleaned, reset lamp time, neither helped. Any luck yet?
Posted on Dec 25, 2009
I have done this on several of our PT-LB50U's with sucess every time.Remove lamp cover and lamp.Then remove top of case by removing 6 screws on bottom.Remove metal shroud that would cover lamp 2 screws and remove 2 screws that hold lamp plug and move it away.You will see a little blue lever for saftey switch move it back and forth from top and bottom put back together and should turn on.
Posted on May 13, 2010
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