Question about Canon Epson Powerlite 730c Projector Multimedia Projector

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The main fan next to the projector lamp is not working and causes the unit to overheat. Is there a replacement for the fan and housing?

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You'll need to find an epson authorized service center from the epson site. you can ask to buy the part itself, but they may try to talk you into sending it in for repair.

Posted on Sep 09, 2009

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Found and ordered the replacement fan at an authorized Epson parts dealer. Thanks.

Posted on Sep 09, 2009

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Hello I have the infocus screenplay 5000 projector & after reading all the posts here decided I dont have a similar problem to anyone else. My bulb life expiration came up months ago but the unit works...


working with expired lamp can cause the overheat, and the power supply will be damadged, you need to replace the chemical caps at secondary parts as shown in the picture below:
3e6a1e63-c9de-4b1f-bffe-f1d2a331bb93.jpg

Feb 11, 2014 | InFocus ScreenPlay 5000 Multimedia...

1 Answer

Unit is shutting down due to bulb overheat


My EP739 never got to the point where it actually shutdown due to overheating, but the root-cause may be the same. First thing you must do is clean out any dust and debris that may be restricting airflow. If that doesn't help then read-on...
My Optoma EP739 started exhibiting color-banding and strong color shift after years of great service. After trying other suggestions that didn't work, here is the FIX for my unit. I have not seen this posted anywhere else.

Problem: After 10-20 minutes of use, color-banding and then a strong shift to purple/green with almost no red. If the unit is turned off for 5-10 minutes to cool and then powered-up again the problem goes away, only to come back in another 10-20 minutes. Enabling the "High Altitude" setting in the Setup Menu helped for a while (a week or two) since it forces the main cooling fan run at high speed always, but then the problem re-appeared.


Reason: Overheating. The electronics are overheating. Like several people have suggested: First step: Open the unit up and blow-out/vacuum all of the accumulated dust. Assure BOTH fans (there is a small drum blower directly cooling the lamp and a larger regular fan that circulates air through the entire unit) are operating and clear of debris.

Once you have done that, then look for the REAL issue. With the front panel (i.e.the panel with the hole for the lens) removed and looking into the projector from the front examine the metal heat shield on the right side above the lamp. In my unit, because of years of service and heat, the aluminum lamp housing had deformed slightly, tilting this sheet metal heat shield directly INTO the air stream from the fan. This restricts the airflow enough to reduce cooling capacity. This metal shield should be high enough above the lamp to be TOUCHING the plastic case. If it is bent down and is halfway into the air stream then it restricting the exhaust airflow, causing the overheating.

Fix: Bend the heat shield back up so that it is not in the exhaust airflow. It must be ABOVE the airflow, protecting the plastic case from the heat of the lamp. This simple remedy fixed the issue for me. My projector has been running 2-3 hours a day for 10 days now with no banding issues at all. That's it. Simple fix.

Feb 01, 2013 | Optoma EP739 Multimedia Projector

3 Answers

Fan not working in my projector


First of all check the power to the fan and if present the fan is faulty. If not there is fault on the power supply or the control circuit.You need to check if the filter is clogged and the filter door is closed properly as the lid has a micro switch which will cut off fan when it is open.

Nov 30, 2011 | InFocus ScreenPlay 4805 Multimedia...

1 Answer

Epson 7550c projector - ELPLP07 lamp fuse.


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Jerry

Oct 04, 2009 | Epson 5550c / 7550c Replacement Projector...

1 Answer

I just replaced a power supply, it has one fan instead of 2. Works great but now I get an error message saying it can't find the fan (which I'm no longer using), how do I get rid of the message?


replace the fan. it needs all the fans the projector was designed with to properly cool it down. without all the fans, the lamp will overheat and cause premature lamp and projector failure. the fan has 3 wires- ground, power and sensor. if the fan spins too slow or not at all, the projector will shut down to prevent damage.

so, replace the fan.

Jun 30, 2009 | InFocus LP70+ Multimedia Projector

2 Answers

Projector


A couple of things...

If the fan is not working, the lamp will not fire. If you have the owner's manual, it should indicate what the flashing lights mean. Check to make sure that the panels are seated properly. When you replaced the lamp, the outer cover was removed. If that is not seated back 100%, the unit will not work. There are a number of safety "checks" built into the unit to prevent damage and possibly fire as the lamps get really hot.

Check the items above and let us know your progress.

Dan

Jun 19, 2008 | Dell 2300MP Multimedia Projector

1 Answer

XB31 projector overheat


Hi sun_md

This sounds like a typical temp. sensor that is faulty.

If you take off the top cover of the Projector and follow the cables from your fans to the Mainboard - you'll find a smallish board that regulates the heat of the Projector. You will also find another sensor on top of the lamp housing.

Try replacing the sensor that goes with the fans first , this is normally the one giving problems.

Good luck and thanks for using Fixya !

May 22, 2008 | HP Digital Projector xb31 Multimedia...

2 Answers

My Viewsonic PJ458D lamp not coming on


I have the same problem before. I found a replacement fan. A computer chassis fan works perfect. It should be 60mmx60mm - plenty in E-bay for about $5.00. Very easy to open the unit to replace the fan. It has 2 fans in a rubber housing. Check which one need replacement.

May 16, 2008 | ViewSonic PJ458D Multimedia Projector

2 Answers

NEC projector LT220 - replaced bulb, works for 1.5 hrs then switches itself off


Hi Matt

There might be a couple of reasons for this problem.

Best is to start with the lamp - return the lamp to whoever you bought it from and insist on a another new one.

If the problem still occurs you should rather take the unit to a repairer - because it could be the Mainboard or the Ballast ( lamp's powersupply ) that is faulty and will need replacement or repair.

Check if your unit is under warranty - because the replacement of a Mainboard is quite expensive.

Apr 04, 2008 | NEC LT60LPK Projector Lamp for LT220,...

3 Answers

DELL 2300 MP NOT TURNING ON


Have the same problem here. Have two of these units. Took the bulb out of the one that had the Lamp light on, and put it in the other projector. The other projector worked perfectly. I have three bulbs, they all work in the one projector, they all cause Lamp Light in the other one. The manual states nothing about hard resetting the unit. Also note that, the fans do not power up instantly on power on, they come on about 5 seconds after pressing the power button.

Aug 30, 2007 | Dell 2300MP Replacement Projector Lamp -...

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