Question about BenQ W710ST 3D HD Short Throw DLP Projector

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I have a Benq w710st DLP projector and when i turn the power on after a minute it turns off. The power button turns off and both the lamp and temp lights turn red. How do I fix this and can I do it my

Bought it used. First time i turned it on it started turning off after one minute. I also noticed on the menu under lamp hours it said zero. Do I need a new bulb too?

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New bulb is probalbly needed. You need to find out what zero means on that projector. The real problem is finding out why the cooling fan is not turning on. This is probably the reason that the temp light is coming on.

Posted on Jan 07, 2013

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: My Benq PB6100 shut off after a few seconds

I had the same problem.
First thing to do is look up the owners manual, unless you happen to still have it, then verify the the sensor for the second (or rear something that sounds not like first) temp sensor is going off. If it is basically the fan that sends air into the lamps compartment may be clogged. I have had mine for several years and recently had the same problem. I almost went out to buy something new until I convinced myself that there was no harm in taking it apart and trying something. Good thing too, since all I had to do was clean the fan and reassemble. After that it stopped turning off by itself and I haven't seen any red lights.
Good luck to You!

Posted on Apr 14, 2009

  • 3 Answers

SOURCE: BenQ PB8220 DLP projector - lamp button continues to flash after bulb replacement

Hello!

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

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SOURCE: I have a BenQ PB6100

The inverter - the system that generates the high voltage needed by the bulb - has failed due to normal wear. When that happened it has surely done some damage in the power source also.
The projector is fixable, the inverter/ballast board will have to be replaced and the power source tested and repaired if necessary. But on an such old device, age related failures will be common from now on and in the end fixing them will cost you more than a new one - it's time to accept that this one has done its duty and it's time to retire.
Just cut your losses and buy a new one.

Posted on Jan 07, 2011

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