Question about InFocus LP70+ Multimedia Projector

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Lp70 projector Error message about Fans

After power-up I get an error saying one or more of my fans is not working, and it's shutting down. I took the unit apart and both fans are spinning and the filters are clean. Any Idea's ? The only other thing I have done latey is bought a new power cord for it. Could that make a difference.

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  • Abu5217 Jan 05, 2008

    Get the same message about the fans, although I can hear them running. I used to simply remove and replace the lamp, and the projector would turn on. Now, nothing. Get the message, and the lamp indicator LED flashes red. I KNOW the projector is not overheating.

    Thoughts?

  • kporter Sep 09, 2008

    I'm having the same problem, turn the power on, then an error message that reads, "Fan Problems. One or more of your fan have stopped."



    I cleaned the vents with a vacuum cleaner on low as the InFocus tech suggested, however, the projector still shows the "Fan Problems" error message, then turns off seconds later.



    Please help.

  • Alan B
    Alan B Apr 10, 2018

    i found that the "kickstand" front adjustable stand had broken off inside, and jammed the fan. removed broken parts, works fine !

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I had a similar problem with an LP70. my fan was sticking.
So I opened bottom cover and pulled out fan cage, there are 2 fans.
you must know which fan not running.
If you found bad one remove paper label(yellow)
you can see 3 small holes.
using wd40 few drops to holes.
then manually turn using your finger cw and ccw few times
you can feel smooth turning now.
then relabeling to hole side.
reassemble unit.
power on.
Now you can enjoy with your projector.

Posted on Dec 24, 2008

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I had one fan not working. So I touch the top cover off the machine and used a air can to blow out the dust. This seemed to free up the stuck fan and now it works without the error message.

Posted on Jun 21, 2010

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I had a similar problem with an LP70. My Fan was sticking, but it would start after a bit, or if I gave it a push. There is a speed detect on the fans, so the fan may also not be spinning fast enough.

If you need to replace a fan, you can improvise.

I had to cut my dead fan out of the Infocus fan cage (I could not find a part for it), and then I found a fan online with matching specs with a yellow wire for the RPMs. I cut that fan out of its cage and epoxied it into the Infocus cage along with the other fan, and then spliced the wires onto the fan connector.

You need to add a circle of metal tape to the center of the fan motor like the Infocus fan had, to protect it from the heat of the bulb drying out the paper cover and letting dust again clog your motor.

Posted on Aug 02, 2008

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I found that the kickstand adjustable front mount, had broken off inside, and jammed the fan. removed broken parts, works great.

Posted on Apr 10, 2018

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This I guess is more to do with the temperature sensor not functioning correctly. Dont know what can be done about it - as it would mean replacing the whole circuit board. Try the Technical Support on the InFocus web site. Of course if the machine is functioning- you could simply ignore it.

Posted on Jul 18, 2007

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