Question about Optoma EzPro 739 Multimedia Projector

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Optomoa EZ739 frequent over heating and auto shut down.

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  • Anonymous Sep 28, 2008

    Mine will work for about an hour and then it overheats and shuts down.

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The answer is....
Run your lamp in economy mode and it should work fine, also use compressed air to blow out fan and cooling fins from the unit frequently from the openings on the unit. I have always run Eco mode and it never overheats except when turned off a few times! Also the color wheel gets stuck on dust so I have to blow it out frequently.

Posted on Apr 23, 2010

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Still need an answer, but not going to pay for one.

Posted on Sep 17, 2008

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1 Answer

Fan will not turn off after lamp cools down. fan will run for days.


is this after auto shut down ? check menu setting if this is set to READY, then it will wait until signal appears again at the input. You can set this better to "shut down", PJ will go to standby after cooling period and fans will stop.

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1 Answer

Projector have pic for about 20 sec shows HP logo and then shut off the lamp ok


Check the fan. Looks like heat building up inside and to prevent further damage, the unit is shutting down. The lamp gives out heat which if not ventilated out will result in the unit shutting down quickly as a protection..........sodeep

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Shuts lamp dwons as if over heated. Lamp 4200 hours.


You need to reset the lamp hours. Here is the manual to tell you how to reset.

http://www.projectorcentral.com/pdf/projector_manual_2606.pdf

Good Luck and please Rate. FixYa!

Mar 12, 2009 | Panasonic PT-AE700U Multimedia Projector

2 Answers

Projector stays on for a while then shuts down


Two things that usually gives this symptom. One, internal heat sensor will shut down projector if extreme heat is present, usually caused by dirty filters, fan failure, etc. Two, your bulb has reached its life end.

Feb 02, 2009 | Eiki LC-XG210 Projector Multimedia...

1 Answer

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This would seem to be heat-related as these lamps get hot rather quickly. The first quick and dirty solution - try cleaning the filter which is under a panel on the bottom of the projector. Another fix - be sure the projector is plugged into an image source; i.e. computer or DVD player. Sometimes these units will go into standby mode without a signal. More difficult fix - be sure the fan is runningn. When it shuts down, the fan should keep running until the lamp cools, then it will shut down. If the fan isn't working the temperature build-up with shut the projector off. Replacing the fan may be a job for a tech.

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1 Answer

Projector shuts off sporadically


need to replace the lamp. i could have diminished not as much to frequent on and offs, but excessive dust. it's heating up too much and shutting down.

May 31, 2008 | Sharp XR-10X Multimedia Projector

1 Answer

SWITCHES TO MEMORY STICK


If you unplug the unit for a few hours prior to use this will fix the problem .

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3 Answers

OPTOMA EP716


ALSO CHECK YOUR FAN. IF THE FAN OR A HEAT SINK IS NOT WORKING PROPERLY (I.E. THE FAN MAY JUST NEED TO BE CLEANED OR REPLACED, THERE SHOULD BE A SMALL HEAT SINK. IF CLOUDED W/DUST, IT WILL KEEP THE OPERATION SHORT). ALSO CHECK IF YOU HAVE SET ANY TEMPERATURE SHUTDOWN PARAMETERS. IF YOUR LAMP HEATS UP FOR SO LONG AND REACHES A TEMPERATURE THAT WILL AFFECT THE CIRCUITS, THIS OF COURSE WILL SHUT DOWN YOUR UNIT UNEXPECTEDLY. HOPE THIS HELPS...JGUAM

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