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How to tell if projector is dead or bulb is burnt out? Dukane 670
How to tell if projector is dead or bulb is burnt out? Dukane 670
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Old 8th June 2005, 03:30 AM   #1
blaznc is offline blaznc  United States
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Join Date: May 2005
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Default How to tell if projector is dead or bulb is burnt out? Dukane 670

I have a Dukane 670 with a 575w MH bulb and I am trying to figure out if the bulb is just dead or the whole thing went out. It was running fine (did not notice any dimming of light outpout) and all of a sudden 'click' nothing...no lights no fan and no power comming from the socket on the side. I know there is a gap in the metal halide bulbs so looking at the bulb doesn't help me. Are the fans still supposed to run even if the bulb is out? Tested the fuse with a continuity tester and it is ok. Anything else I can test to see if it still works short of buying a new bulb and sticking it in? Thanks!!

Brandon
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Old 8th June 2005, 05:44 PM   #2
Gizmotech is offline Gizmotech  England
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Remove bulb and power it up. Shine a very bright torch or floodlight through and see if there is an image.
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Old 8th June 2005, 07:54 PM   #3
blaznc is offline blaznc  United States
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This is an overhead projector.
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Old 14th June 2005, 09:55 PM   #4
mdorani is offline mdorani  Australia
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metal halide bulbs dont just go click and die

only halogen does that, metal halide slowly goes dimmer and dimmer untill it shows no output, this diming process doesnt happen in 2 minutes- happens over 1000s of hours
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Old 15th June 2005, 09:04 PM   #5
nexarius is offline nexarius  United Kingdom
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Sounds to me like a blown fuse or a broken switch or something. The fans would still operate even with a dead bulb, and you would see arcing in the bulb as the control gear tries to light it
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Old 20th September 2009, 12:10 AM   #6
Gizmotech is offline Gizmotech  England
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Could be the ignitor. Sometimes with faulty lamps, you can still see it flash but not fire up.
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