Author Topic: HOUSTON , WE HAVE A PROBLEM !!!  (Read 2489 times)
wide-lite 1000
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HOUSTON , WE HAVE A PROBLEM !!! « on: March 15, 2025, 05:03:50 PM » Author: wide-lite 1000
 I was working outside on the house yesterday as the weather has been unseasonably warm all week . I also decided to fire up the Wide-Lite as it's been a few months since it's been lit . WELL , the current N.O.S. 80's GE 1000w/DX MV lamp which I installed back in Sept. when It was used during my neighbor's , son's wedding reception took about 10 min. to come out of the pink stage and never ran up any brighter than a 50w MV .  Looks like I need to go up on the roof and check things out. Hopefully it's either another bad cap or a defective lamp . I'm not really in the mood to change a ballast right now !
« Last Edit: March 16, 2025, 10:13:31 PM by wide-lite 1000 » Logged

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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #1 on: March 15, 2025, 05:14:29 PM » Author: Baked bagel 11
Oof, that sucks. Lets hope it's the lamp or cap.
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #2 on: March 16, 2025, 10:16:44 PM » Author: wide-lite 1000
 I agree !   It wouldn't be the 1st time I've had a N.O.S. lamp fail prematurely . Plus , the last time I replaced the cap , it was with another used one .
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #3 on: March 16, 2025, 10:25:31 PM » Author: joseph_125
I've had to replace a 100w Sylvania ED17 MV lamp in one of my lights as it would have trouble starting. It was a NOS one installed in 2009 that received fairly light use. It still works but for some reason it was having trouble starting in colder weather.

Ended up putting in a 100w A23 Philips until I find another lamp for it.

@wide-lite 1000 - Hopefully it's just a cap. For something harder to access I'd bite the bullet and just buy a new cap for it. 
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #4 on: March 16, 2025, 10:34:04 PM » Author: wide-lite 1000
 The cap's not too bad to replace : https://www.lighting-gallery.net/gallery/displayimage.php?album=5203&pos=93&pid=162666  My issue is trying to work while perched at the peak of a slippery metal roof ! The old galvanized roof wasn't a problem , the new one SUCKS !!

 As for lamps , I've had a N.O.S. 175 Westy die after 3-4 nights of D2D use and a 400w coated dome Sylvania fail to run up completely and then do absolutely nothing on the next attempt to light it .
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #5 on: March 17, 2025, 06:33:04 AM » Author: dor123
Is the ballast CWA or HX? HX don't requires capacitor for optimal performance.
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #6 on: March 17, 2025, 05:01:57 PM » Author: wide-lite 1000
 CWA .
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #7 on: May 04, 2025, 05:42:39 PM » Author: wide-lite 1000
 After some testing , I'm gonna say the ballast is the problem as both the lamp and cap. test fine . I'll do some more tests once the ballast and ME are safely on the ground .
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #8 on: May 04, 2025, 06:12:48 PM » Author: Multisubject
Oof, if that ballast is the problem that is a chunk of change. But if it is an H36 (not H34), then you should be able to use a standard metal halide M47 ballast (MV is 4A 265V and MH is 4.2A 250V), as you certainly know MH ballasts are a lot easier to get.
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #9 on: May 04, 2025, 06:21:39 PM » Author: wide-lite 1000
 Won't be too much of a problem as I have several NOS H-36/M-47 ballasts  . The current ballast is an older H-36/M-47 ballast .
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #10 on: May 05, 2025, 10:37:22 AM » Author: joseph_125
A MH ballast is probably the better call anyway. Then he can run MV for lower light output, MH for higher light output, or one of those CMH retrofit lamps for higher CRI light.
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #11 on: May 05, 2025, 10:46:10 AM » Author: Multisubject
A MH ballast is probably the better call anyway. Then he can run MV for lower light output, MH for higher light output, or one of those CMH retrofit lamps for higher CRI light.
I don’t think there are 1000W CMH lamps, but please prove me wrong…
If there are that is actually darn cool
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #12 on: May 05, 2025, 10:53:40 AM » Author: dor123
@Multisubject: It is impossible to make an 1000W CMH lamps. Philips managed to make a 860W CMH lamps for retrofit 1000W probe-start MH lamps in their CWA ballasts.
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I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the international date format (dd.mm.yyyy).

I lives in Israel, which is a 220-240V, 50hz country.

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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #13 on: May 05, 2025, 11:11:07 AM » Author: joseph_125
I don’t think there are 1000W CMH lamps, but please prove me wrong…
If there are that is actually darn cool

They're not 1000w but they are 860w and are designed to run on M47 ballasts.

Here's mine
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Re: HOUSTON , WE HAVE A PROBLEM !!! « Reply #14 on: May 05, 2025, 12:36:54 PM » Author: Alex
@Multisubject: It is impossible to make an 1000W CMH lamps. Philips managed to make a 860W CMH lamps for retrofit 1000W probe-start MH lamps in their CWA ballasts.
I´m not sure about that. Have you documents to prove that there is a floor that can be not be crossed and if so what it is and why, in best case with sources? Or ist just another of your assumption poured in fact? Maybe @James has thoughts about this?

Personally i think there is not to much way from the 860W lamp to a 1000w and i think the limiting factor ould be a lak of demand rather then a lack of possibility, as these big CMH lamps are more expensive to manufacture then QMH and have different optical characteristics..
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