Question about ViewSonic PJ551 Multimedia Projector

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Both Temp and Lamp lights blink red

Both my Temp and Lamp lights on my VS PJ551 blink red when the unit is turned on. They blink red on and off at the same time over and over again. The projector appears to be working fine (other than it's a little out of focus). I know that if the Temp indicator lights a steady red, the projector has overheated, but these lights are blinking together on and off.

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  • Anonymous Jan 02, 2009

    I have the same problem, only my projector will not display anything. fans turn on, lights blink, but no image appears.tried pluging in a PC and external monitor and no image anywhere. Even got a new bulb and still nothing. any chance of saving it?

  • Anonymous Mar 24, 2009

    How do you see the menu when the lights blinking red cause the lamp to not come on?

  • Anonymous Mar 30, 2014

    red light was flashing,and no projection onto screen, we got light to stop flashing but still no projection

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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

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

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Sorry for the late reply, I'm offline upon purchasing my service.
You have said that you can hear a low buzzing sound before the unit gone to subsequent shutdown and the lamp blinks green(meaning that the unit try to turn on the lamp for consecutive attempts but not generally mean that the lamp itself is faulty.) and the temp led light come on.

As a matter of fact all the information you have mentioned linked to the symptoms you've encountered right now. A low buzzing sound might be caused by faulty FAN inside the unit that trigger the error code (blinking of the standby/temp led light) and turns off the unit automatically due to thermal protection circuit.
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I would advice you to open the back cover of your unit, fixed the lamp door safety switch with the tape to make it in closed position( if it is on open position the unit will not power up), and then turn on the unit and observe the fans if will spin or not, and check also where the buzzing sound came from before the unit gone to shutdown.
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