Question about BenQ PB8220 DLP projector 2200 ANSI lumens 1024 x 768 Multimedia Projector

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Benq Projector Lamp/Temperature

Sometimes The Temp and Lamp Light goes on at the same time. Should I be Worried about this problem? Will it just evenentually Crash on me? If I need a new Lamp where can i get one and how much will it cost?

I actually didnt see the exact Projector Product Listed so I picked the closest one. I actually have the BenQ DLP PB2240. Im not sure if it matters.

Thank you,


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SOURCE: Benq MP620c not recognized by RS232 PC (Win XP) COM1 connection

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


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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Red power, blinking red temp


if the Lamp error and Temperature error lights are flashing red this means that there are two separate errors.

  • A flashing lamp light means the lamp failed to ignite. It could be a lamp driver problem or lamp failure. Replace the lamp to resolve the issue. If the issue is not resolved, then service the projector.
  • A flashing Temperature light signals a fan error. Turn the projector off and allow it to cool down. If the light is still flashing after the projector is turned back on, service the projector.

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if you are replacing the lamp by yourself, and if you are touching the lamp body with your fingers, the lamp will be damadged fastly; because the lamp is sensible. the temperature of the lamp increase abnormally so the message 'temp' and 'lamp' increase. to solve the problem you need to replace a new lamp, but you have to install it at the BenQ service it's free.

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Be sure to check the filters and make sure you have good airflow thru the proj. Cleaning filters solved our temp shutdown problem.

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Hi David IB

I've had teh same experience with a BenQ MP720 ( just the XGA version of your Projector )

I queried this with BenQ Engineer in Dubai and he said that it sometimes works exactly like a short on the machine.

If I could give you a tip , If it happens again don't put back the metal cover of the Mainboard it solves the problem 100%

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