Question about InFocus ASK Proxima M2+ Multimedia Projector

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Fans wont start no cooling then. after few minuts projectot is swithing off. Is not searching even for sources

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Take the top off and check to see that all of the fans are plugged in to the main board. There should be a wide plug for the main double fan and a smaller plug for the fan at the rear of the optical engine. If they are plugged in, leave the top off and turn the projector on using the remote. Check to see if all fans are on. If all of the fans are on, look thru the little **** in the top of the main board to see if the colorwheel is spinning. If all are working, shut the projector down and check the wiring from the double fans to make sure they are routed thru the notch cut into the top of the fan housing. The 2 wires should be side by side passing thru the notch. If they are on top of each other then this could be causing downward pressure on the fan housing when the top cover is in place causing the fans not to spin. Also the 2 fins inside the top cover that look like tail fins on a plane can be snapped off and discarded because they have always just gotten in the way when putting the top back on and really serve no purpose. Now, if the small fan in the back works and the double fans do not, I would try and replace with new fans because that would be cheapest. The same goes for the small fan in the rear. It is always cheapest to see if the fans themselves are bad first. If you know the fans are good for sure then unfortunately the main board has to be replaced. Also, if the clorwheel does not spin freely that will cause the projector to shutdown as well. Usually when the colorwheel doesn't spin it is because there is a screw or plastic debris from a broken part of the top or bottom case lodged underneath it. This also could be a problem for fans not spinning too. If the foot of your projector is broken a piece of the shaft could have become stuck between a fan blade and the fan housing or any plastics on the projector that have broken for that matter could become lodged. A good way to tell if there is something loose inside is to shake the unit before you take the top off. Read this again and again to make sure you understand how easy this could be to fix if the wires are not routed the right way or if a piece of plastic is stuck somewhere. It could be that simple. Good luck.

Posted on Nov 08, 2010

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