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» Film-Tech Forum ARCHIVE   » Operations   » Digital Cinema Forum   » Barco DP2000 Bulb Shutting Off During Show (Page 2)

 
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Author Topic: Barco DP2000 Bulb Shutting Off During Show
Monte L Fullmer
Film God

Posts: 8367
From: Nampa, Idaho, USA
Registered: Nov 2004


 - posted 12-31-2015 02:19 PM      Profile for Monte L Fullmer   Email Monte L Fullmer   Send New Private Message       Edit/Delete Post 
I had similar issues with this and found that a spring loaded flue damper in the exhaust (for fire code reasons) had let go causing very little air flow due to the damper closing the air duct, which caused my high temp shutdowns.

I did a quick fix with wiring open the damper to get my exhaust flow back to where it needs to be and had someone come out and professionally repair the damper.

That's usually the area I check first if I have high temp bulb shutdowns...is my exhaust...just been too well trained in this area when carbon arc and xenon issues when my exhaust fan likes to let go.

Good luck, Kevin - Monte

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Kevin Roudebush
Film Handler

Posts: 29
From: Salem, OR, USA
Registered: Sep 2003


 - posted 12-31-2015 02:47 PM      Profile for Kevin Roudebush   Email Kevin Roudebush   Send New Private Message       Edit/Delete Post 
Nope... didn't work. Bulb shut off last night about 5pm. Lowered the amps and ran rest of night. Turned off 10 min into first film today. Macros set up to bump amps back up on boot. In addition, looks like we have an intermittent fan cooling the light tube. Extra fan set up blowing and that is keeping the temp down. Intermittent problems the worst.

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Marco Giustini
Film God

Posts: 2713
From: Reading, UK
Registered: Nov 2007


 - posted 12-31-2015 04:55 PM      Profile for Marco Giustini   Email Marco Giustini   Send New Private Message       Edit/Delete Post 
Kevin: LOGS! You're shooting in the dark!

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Kevin Roudebush
Film Handler

Posts: 29
From: Salem, OR, USA
Registered: Sep 2003


 - posted 01-04-2016 08:39 PM      Profile for Kevin Roudebush   Email Kevin Roudebush   Send New Private Message       Edit/Delete Post 
Marco - I think my tech guys were looking at the logs, they just weren't specific enough to find the specific issue from what I understood. Isn't that possible?

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Marco Giustini
Film God

Posts: 2713
From: Reading, UK
Registered: Nov 2007


 - posted 01-05-2016 01:41 PM      Profile for Marco Giustini   Email Marco Giustini   Send New Private Message       Edit/Delete Post 
It is.

But then it means that light engine, coolant, light engine temperature are not involved. Hence cleaning the filters is not going to help!

If it's a generic error then it's either the lamp or the ballast - check the led behaviour on them when the lamp turns off.

Try a different brand maybe.

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