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Philips F40/35U problem

Philips F40/35U problem

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When I turned on my workbench lights today, this lamp wouldn't strike. I took this picture after I removed the starter. The lamp didn't do this when I brought it home from the ReStore. I will try it again tomorrow but it looks like it might be contaminated. It's a shame...I really like these lamps otherwise.

2015-06-05_17_39_09.jpg Sanhui.jpg 2015-06-01_21_56_31.jpg 2015-05-27_16_41_47.jpg

Light Information

Light Information

Manufacturer:Philips
Model Reference:F40/35U
Lamp
Lamp Type:Fluorescent
Base:G13
Shape/Finish:Linear T12
Fixture
Ballast Type:Magnetic lead-lag preheat
Electrical
Wattage:40
Optical
Lumen Output:Plenty!
Color Temperature:3500K
Physical/Production
Factory Location:Salina, KS, USA
Fabrication Date:March 1999

File information

File information

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Filename:2015-06-01_21_56_31.jpg
Album name:nicksfans / Fluorescent
Keywords:Lamps
File Size:227 KB
Date added:Jun 02, 2015
Dimensions:2465 x 1848 pixels
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rjluna2
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Robert


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Jun 02, 2015 at 04:57 AM Author: rjluna2
Did you let it warm up or it was like this for period of time?

Pretty, please no more Chinese failure.

ace100w120v
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Jun 02, 2015 at 10:23 AM Author: ace100w120v
Try an electronic ballast to "burn off" contaminants if it won't light, then leave it on 24/7 I guess.
nicksfans
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GoL the.baus.of.all.bauses UCDl2EWWZc9h1IZXcfGU9OZA nicksfans
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Jun 02, 2015 at 11:14 AM Author: nicksfans
This was shortly after startup. It returned to normal once it warmed up.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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rjluna2
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Jun 02, 2015 at 11:17 AM Author: rjluna2
It might be on the shelf so long that it needed to take time for the Mercury to evaporate in the tube to make it normal light up.

Pretty, please no more Chinese failure.

nicksfans
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GoL the.baus.of.all.bauses UCDl2EWWZc9h1IZXcfGU9OZA nicksfans
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Jun 02, 2015 at 03:59 PM Author: nicksfans
The lamp did the same thing today. I have it on an electronic starter now so we'll see what that does.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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ace100w120v
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Jun 02, 2015 at 05:43 PM Author: ace100w120v
Interesting, keep us posted!
xmaslightguy
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^homebuilt fixture


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Jun 02, 2015 at 07:02 PM Author: xmaslightguy
Starting dim in the center every time... standard behavior for a Philips Alto, and in particular the 3500k ones.

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

nicksfans
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Jun 02, 2015 at 07:04 PM Author: nicksfans
Yes, but it's so bad that the starter keeps clicking until I remove it.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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xmaslightguy
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Jun 02, 2015 at 07:28 PM Author: xmaslightguy
I had some (not the ultralume version, just standard 3500k) they always started real dim like that & flickered badly (on rapid-start) until warming up.
Never tested on preheat since I didn't have one (I do have a couple preheaters now, I'd be curious to give it a 'test', not sure If I still have one of those lamps left, but I probably couldn't easily get to it anyway)

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

nicksfans
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Jun 03, 2015 at 12:25 AM Author: nicksfans
The electronic starter is able to start it.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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xmaslightguy
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Jun 03, 2015 at 07:39 PM Author: xmaslightguy
I'd just stick with the electronic starter then...
Those seem to work pretty good for hard-to-start lamps

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

nicksfans
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Jun 03, 2015 at 07:56 PM Author: nicksfans
When I tried it today, the lamp started but flickered out shortly thereafter. I cycled the power off and on, and it stayed lit the second time. The electronic starter I have won't try to restart a lamp until power is cycled.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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ace100w120v
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Jun 03, 2015 at 08:40 PM Author: ace100w120v
Sounds like a slow leak.
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Jun 03, 2015 at 09:51 PM Author: xmaslightguy
@nicksfans:
The electronic starters I have work in the same way...basically EOL protection.

Have you tried that lamp on rapid-start, (or electronic) and let it run for a full day?

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

nicksfans
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Jun 03, 2015 at 10:08 PM Author: nicksfans
I've only tried it on preheat so far, and I haven't run it all day.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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xmaslightguy
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Jun 04, 2015 at 09:35 PM Author: xmaslightguy
I'd say give it an all day (or an overnight) run just to see if it simply needs the 'new-ness' "burned off"
But like I say, if its like the 3500k Altos I had, they're simple like this (found I still do have one, and if I remember I plan to lest it on preheat this weekend...)

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

nicksfans
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Jun 04, 2015 at 09:46 PM Author: nicksfans
It's not new, though, at least I don't think it is. These two lamps were in a 10-15 year old Progress wrap at the ReStore.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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xmaslightguy
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Jun 04, 2015 at 10:41 PM Author: xmaslightguy
Looking at your pic, looks like it has a datecode of 9C - or March 1999
Mine is from November of the same year

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

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