Question about Optoma H27 DLP Multimedia Projector
I purchased an Optoma H27 projector three years ago. Recently, the bulb life warning message has appeared when turned on. Yesterday afternoon, the projector turned itself off and was unresponsive while the kids were watching a movie. There were no blinking lights on the housing to indicate temp or bulb failure. Later in the evening, the stand-by light was flashing again. I turned on the power and the picture came back for less than an hour when it went into total power off again. I assumed that these events were related to the bulb reaching the end of its useful life. I followed the instructions to replace the bulb with an OEM replacement bulb.
Problem is the projector will not power up with the new bulb or with the old bulb put back in. I can not find any type of reset button or fuse. All I can find is a proximity switch that the bulb cover actuates when installed. I cycled the switch a few times in case this component was not making a good connection. This did not change the outcome.
Is there anything else I can do to troubleshoot and restore the projector to proper operation?
SOURCE: Optima H30 warning
The only way is to reset the bulb hours counter. There are instructions on how to do this with the replacement bulb. Please note that this procedure will reset the counter to zero(0). You should kee track of the actual hours on the bulb so you don't get surprized during a presentation.
Posted on Aug 25, 2008
check all the fans, if still working. if the problem occur get assist to the nearest technician im sure your lamp balasst was deffective.
Posted on Oct 24, 2009
clean out the projector with canned air to get rid of the dust that could be causing it to overheat. also make sure the fans are spinning. if it still blinks, replace the temp sensor. if it overheats alot, the sensor will wear out from excessive heat.
Posted on Nov 16, 2009
either the lamp has/is going to expire, or the ballast is bad. if the lamp has bulges or black spots on the inside, replace the lamp and clean out your projector with canned air. too much dust keeps in the heat and makes a 2000 hour lamp go in 1100 hours.
Posted on Nov 16, 2009
I think it's a lamp driver issue from what I've seen others have gone through. I also read that if you go through the sequence of unplugging, plug back in, wait 20 seconds and try to turn on, multiple times, it will finally kick on and work. I just got mine to turn back on by doing this and waiting through the fan cycling without the light turning on. After the 4th sequence the light flickered. After the 7th sequence it finally turned on and is working. Now I can watch the Super Bowl and will look into replacing soon.
Posted on Feb 06, 2011
SOURCE: My optoma hd70 projector which
The color wheel sensor needs good cleaning. an optical lens cleaning liquid might help. also clean the fans and vents if you open it. I had to remove the sensor and clean. then it worked.
Posted on Jul 12, 2011
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