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Light goes on and off lightware vp800

We turn on projector, fan works, light comes on, fan is on high working properly, it runs for 6 minutes, then only the light goes off and the fan stays on (in high position) and within 1-2 minutes the light comes back on and runs for another 5-6 minutes and the light goes off again. Can the thermal switch be bad? We think unit is cooling properly. When turned on and then off fan runs in low position, working properly also.

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  • rjochylski Sep 08, 2007

    Old Projector Lightware vp800, I bought it from ebay- he said the bulbs were popping because it was overheating. So he said we may need to replace the fan. We opened it up and sprayed the heck out of it and we noticed that the bulb wasnt popping at all- they were still good- the projector light just turns off and then turns back on. My husband took it all apart thinking maybe it was the thermal switch shutting off too soon because the projector NEVER even got HOT. But now the new thermal switch he put in is even worst becuase NOW it stays light for 1 minute (NOT the 6 Minutes we had before LOL).
    He likes to tinker but dont know what more to look for. You think it may be a heat sensor problem? What does that mean?

  • rjochylski Sep 09, 2007

    with bulb NOT in it runs fine. Put bulb in and she shuts off and then back on.

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  • 78 Answers

Hi, How long have you had the unit? If its new take it back and get warranty repair. If longer then, try giving it a good clean. Get some "Air Cans" if you can to blow trough the vents. It could be dust/dirt on the sensor. If you clean it first then we can be sure. If you are ok about taking the casing off then you can give it a better clean. If after cleaning it is still playing up, it is an overheating problem and best repaired by proper service centre as they can get the parts you need.

Posted on Sep 08, 2007

  • 1 more comment 
  • Austin Walters
    Austin Walters Sep 08, 2007

    I meant Heat Sensor problem NOT Overheating problem :)

  • Austin Walters
    Austin Walters Sep 09, 2007

    Its when the system thinks its getting too hot and shuts everything down to avoid further damage. It seems to be partially regulating the system.

    You may have board problems if the new thermal switch has made things worse.

    See what the system does with NO bulb installed!

  • Austin Walters
    Austin Walters Sep 09, 2007

    Are they the correct bulbs?
    Try cleaning the bulb holder.

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