Question about Optoma H56 Multimedia Projector

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Dramatic increase in fan noise

I have had the H56 projector for around a year... I have not had any problems with the fan noise until recently... It seems to have gotten 5 times louder... I'm not sure if it is the fan making this noise... when i first turn it on, it seems to make the noise even before the fans start. Anyone know what this might be? Thanks

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  • 563 Answers

Hi there

If you place your hand on the machine and you can actually feel the vibration , you might be looking at a faulty Colourwheel.

If not , try cleaning the fans by blowing it out. If the problem still occurs you might have to replace the fans.

Posted on Mar 26, 2008

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Posted on Jan 02, 2017

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3 Answers

I change the cooling fan but still hear a crazy noise. Can I remove the cooling fan completely and START my computer just to try to find out where the noise is coming from. Or it's too risky.


Depends which cooling fan you are talking about. As long as you are not talking about the fan mounted on top of the heat sink on top of your CPU then you should have no problem.

Do NOT run graphic intensive software or games as these can dramatically increase heat output (until you put your fan back in)




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Feb 19, 2011 | Dell Dimension 2400 PC Desktop

1 Answer

I have a one year old epson ex51 and was working great until last night. Since last night the fan noise has increased significantly. Does anyone know how to fix the fan noise?


Mine just started doing that too. I'm pretty sure the fan blades are rubbing against the casing. If you have had it for under a year, call and get it fixed, but if its over a year you're on your own. I nudged the fan with a metal hanger, and it has stopped making noise. I think eventually I'll need to take it apart and get a new fan for it that has better bearings.

Sep 06, 2010 | Epson EX51 Projector

1 Answer

I need new color wheel for Optoma H56


Hi Optoma MD,

Do you have the 70.81r26gr01 color wheel on stock?
can you send me an email: j.hogenhout@home.nl

With kind regards,

Joep Hogenhout

Aug 13, 2010 | Optoma H56 Multimedia Projector

1 Answer

I have an optima h56 and when I turn on the power it acts as though it is trying to come on and then shuts down, and I do not see the light coming on from the bulb.


it's either the colorwheel, or the ballast. do you hear a high-pitched whir? if yes, the problem is the ballast. if no, the colorwheel.

Nov 06, 2009 | Optoma H56 Multimedia Projector

1 Answer

How do I access service menu to reset lamp timer for Optoma H56?


In order to reset the bulb counter you need to access the Service Menu:
To access the Service Menu:
Turn on and warm up
press the following sequence:
Up
Up
Left
Give it a few goes, it took me 5 minutes to enter with the right timing. The Service Menu will appear, highlight factory reset and the counter goes to 0. Job done. Cheers, Matt.

Apr 15, 2009 | Optoma H56 Multimedia Projector

1 Answer

I have a Hitachi PJTX100.....been using it for a year and a half and it has been flawless.....until recently....After about 30 minutes of use it shuts off....meaning the screen goes black and the actual...


i believe your problem is heat the bulb is getting hot and the air or fan is not working properly so when it hits temp it automatically shuts off check your fan air flow filters etc

Jan 10, 2009 | Hitachi PJTX100 Multimedia Projector

1 Answer

Cooling fan problem projector


I have a similar issue though mine isn't quite as extreme as yours. Got a couple things you can do.

1. clean out the projector with compressed air. You might have dust building up on components that is trapping heat.

2. Your fan might be burning out. Needs to be replaced. I'm still working on trying to figure out what tipe of fan it needs.

3. The temperature sensor might be going bad. This one is less likely and most complex to solve as it depends on how the system measures the temp. I haven't checked in detail yet.

4. Replace the whole unit or send it in for repair. Both options will be costly...

Jan 01, 2009 | Optoma H56 Multimedia Projector

1 Answer

Projector will not turn on no fan no light


Hi!

Here is a link to the "Troubleshooting" part of the manual to Optoma H56 Projector. Hope it will help!
Troubleshooting Optoma 56 User Manual Page 27 of 32

Jan 04, 2018 | Optoma H56 Multimedia Projector

4 Answers

Optoma H56 - turns off just after start up.


It's not a short, the blub is near the end of it's life ~ the optoma is designed to detect when the blub is about to blow and shuts itself down. Turning the projector upside down or right side up usually only gives you a brief reprieve (some have reported a modest amount of extra time gained) on the blub ~ but in the end it's on it's way out and the projector will shut down again.

Oct 14, 2007 | Optoma H56 Multimedia Projector

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