Question about Office Equipment & Supplies
Depending on the make and model, you should start by doing a hard reset. Power it down, unplug the pwr. cord and press the power button.
If this doesn't work. go into the menu on the remote and locate either reset all settings or reset to default settings.Even though your fan is running, it may have less hrs. on it then your bulb had. If neither of these work for you, I would have to say that it is probably the logic board on the projector.Good Luck!
Posted on Jan 15, 2013
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Posted on Jan 02, 2017
After 2 years I finnaly solved the problem. There was a flaw in the lamp´s temperature circuit. A technician disassambled my BENQ PB8253 unit and fixed the problem. Charged me US$ 75.00. I´m in Brazil.
Hope this can help.
Posted on Sep 14, 2009
All you should need to do is go to the menu on the
projector, and find the Filter Timer. Hit the right arrow to select the filter
time, and then hold the rest button on the projector until you are prompted to
confirm the reset. Hit menu to confirm and it should now reset the filter
timer. Now cut the projector off and back on and the lights should stop
blinking. I hope this helps.
Posted on Jun 12, 2008
enter in Factory Menu
1. How to enter factory menu:
I. Hold press "UP" button until the "Lamp hours info." OSD display on bottom-right of screen.
Press keypad <Power> and <Blank> key simultaneously again, then enter Factory menu.
enter in fan menu and increse the speed of fans.
Posted on Jul 02, 2008
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
Tips for a great answer:
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Jan 11, 2011 | Panasonic PT-LB50U Multimedia Projector
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Feb 06, 2009 | Epson EMP 500 Multimedia Projector
Oct 23, 2007 | NEC VT47 Multimedia Projector
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