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Projector over heating

Overheating after new bulb installed

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Epson PowerLite 410W projector (used for a smart board in a classroom) won't project anything or even turn on. Power button (maybe lamp indicator light? I don't really know anything about this...)...


It seems you assume that it is not an overheating problem.
The problem is, the bulb gets really, really hot when using the projector. It doesn't matter whether it has been there without any usage. As you switch it on, it will start to get hot.
But the lamp or other parts of the projector should not get too hot. To control the temperature, air is moved through the projector with the help of fans. Air enters through air filters and move through the projector absorbing heat from hot parts. This prevents these parts from getting overheated.
But what if air doesn't flow freely? Then the parts CAN get overheated.
First, switch on the projector and check whether you can hear the fans working.
Next, switch off the projector and remove power cable.
After about 30 minutes, remove the cover and check whether the air filters are blocked. If they are, clean them with a small brush.
This would probably solve your problem.

Sep 23, 2011 | Epson PowerLite 410W LCD Projector

1 Answer

Infocus Projector IN83 is overheating and shutting down every 20 minutes or so. Talking with online assistance suggested that I replace the bulb so I bought a $200 new bulb assembly and it has already...


I had the same problem so removed the bulb which is very easy, only 3 screws, found the wire mesh inside was covered in dust so vacuumed using a brush head attachment, removed all the dust & did the same to all the external vents too. The projector now runs smoother, quieter & does not over heat after hours of continual play. Hope this helps, Chris

May 20, 2011 | InFocus IN83 Projector

1 Answer

I have a Sanyo PLC-EX20 projector which shuts down after five minutes, what could cause this?


There are 2 possible causes.

The first may be due to overheating. Most projectors have a "air filter" that can be removed and cleaned. If it gets clogged with dust over time, the projector can't breathe and shuts down.

The second cause may be your lamps life hour clock. Most projectors keep track of the amount of time that their bulbs have been active. Once a preset # of hours has passed the projector will limit functionality until a new bulb has been installed AND the lamp life clock reset. Most projectors do not automatically reset the lamp life clock after a new bulb is inserted.

There should be instructions on how to reset the lamp clock in your users manual, and info on cleaning the air filter. Unfortunately I went to the Sanyo website and was unsuccessful in locating a PDF of the user manual for you.

Mar 04, 2011 | Sanyo PLC-XE20 (Chassis XE2000)...

1 Answer

Thermal event and turn off


There's a heat sensor inside the projector which will turn it off if it senses overheating of the bulb. Be sure the air vents are not blocked - there needs to be free air flow. Intake is on the right, exhaust is on the left. An aging bulb can also cause overheat, or the sensor could be faulty.

Feb 09, 2011 | BenQ MP511 Projector

1 Answer

Purchased 2006. Ceiling mounted. Just stared overheating after approx 10 minutes after last bulb replacement in March of 2010. Floor fan pointed at projector helps. Tried cleaning. Running right side...


Yes, if bulb was low price and was installed in old lamp casing then it is bulb that is not good and creating too much heat that exhaust fan can't throw out to make projector cool enough so temp sensor activates and send over heat signal to system control chip thus projector shuts down.
Please install original lamp that comes with casing to solve this issue.
If lamp was original then check exhaust fan that might be running slowly due to stiffness in bearing so temp sensor finds over temp in projector.
Hope these info will help you.
Thanks.

Dec 18, 2010 | Optoma EP1690 DLP Projector

1 Answer

After a short period of time the overheating light comes on and the bulb turns off. There's no apparent air blockage. Any suggestions?


blow any dust out of the projector with canned air. the dust keeps in the heat that the projector is trying to expell. also check the fans.

Dec 22, 2009 | Sharp XR-30X Projector

1 Answer

The projector is starting up but after warming up it shuts itself off. It is not the a problem with the filter, lamp seating or an overheating issue.


Does the lamp actually light up and project? If not, it's probably a dead bulb. Are there any flashing lights that might be displaying an error code? How dow you know it's not overheating? Remove the filter and give it a good cleaning. Some projectors measure airflow and, even though the heat hasn't built up, the projector shuts down because it predicts overheating will occur due to insufficient airflow.

Aug 04, 2009 | Sharp Notevision XG-P20XU Multimedia...

1 Answer

Over Heating


If thats the problem buy a new projector :)

Dec 18, 2007 | InFocus LP70+ Multimedia Projector

3 Answers

Projector overheating and turns off after 20 mins


I have a HP VP6111 projector that works fine on a table top but overheats ( overheating ) when turned upside down and hung from my ceiling. My solution...I went to Circuit City and bought two 80mm computer fans. I also purchased a 12V power supply from Radio Shack. I put one fan on front of my projector and the other on the back of the projector and wired them into the 12V power supply. I mounted both fans with velcro. The front fan pushes air and the rear fan pulls air. The projector now runs fine without shutting off. The fans are 12V and push 34 cubic feet per minute of air. I am very happy with this solution.

Oct 25, 2006 | Compaq Microportable 2810 Multimedia...

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