Author Topic: 4 months after LED Streetlight retrofit = more failures  (Read 871 times)
RyanF40T12
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #15 on: October 13, 2016, 07:20:01 AM » Author: RyanF40T12
Whelp- 2 or 3 days after reporting the strobing fixtures, they have been fixed.  Went out early this morning to take a drive at 3AM since I could not sleep and lone and behold they were working properly I'm pleased with the response time.  I just wish they were as quick to fix the underground faults as we have about 50 or so poles currently out due to underground faults.  Some for over a year.  (all electrical lines here are underground) 
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mdcastle
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #16 on: October 13, 2016, 08:17:58 PM » Author: mdcastle
I recently submitted a list of 100 lighting outages to Mn/DOT. Some of these could be underground wiring issues, but at some point I wonder if all the energy savings of LEDs is offset by having to go out and chase down bad fixtures.
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RyanF40T12
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #17 on: October 14, 2016, 01:55:48 PM » Author: RyanF40T12
For us, unless one of the utility company employees happen to see it in passing, they rely on the public to call in outages/issues. 
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RyanF40T12
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #18 on: October 16, 2016, 09:33:48 PM » Author: RyanF40T12
Heh.. One of them is back to flickering again.  2 out of 3 LED panels.  I'm wondering if they never fixed it in the first place and the ballast is very spotty.. We got into the high 80s today. 
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Ash
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #19 on: October 17, 2016, 01:06:08 AM » Author: Ash
I seen ones that flicker in cold and are fine otherwise. Might be anything from bad joints, ESR of capacitors going up/down, and condensation dripping on the driver..
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #20 on: October 17, 2016, 06:21:23 PM » Author: RyanF40T12
Heard back from my contact at XCEL Street Lighting.  She thanked me for the update and informed me that these new Philips heads have a 10 year warranty so that is nice to hear.  Sounds like they are standing behind their products. 
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Zarlog
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #21 on: January 13, 2017, 06:21:01 PM » Author: Zarlog
I recently submitted a list of 100 lighting outages to Mn/DOT. Some of these could be underground wiring issues, but at some point I wonder if all the energy savings of LEDs is offset by having to go out and chase down bad fixtures.
Did you mean to say 10? Because 100 seems like quite a lot, and while I have seen numerous failures I can't say I have seen quite that many. If that is the case, it is most likely the underground wiring. If the lights themselves were really failing like this, you would think that they would have just dropped this whole thing
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #22 on: January 14, 2017, 12:04:05 PM » Author: mdcastle
No, I really meant 100, and my list is up to 150 now just in the southwest metro (I've tallied I-35W south of downtown, Crosstown, and 5.
It's some combination of
1) Bad wiring
2) Blown fuses in the base, and
3) Bad fixtures.
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Ash
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #23 on: January 14, 2017, 12:14:22 PM » Author: Ash
Fuses dont blow for no reason
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #24 on: January 14, 2017, 03:06:04 PM » Author: Zarlog
No, I really meant 100, and my list is up to 150 now just in the southwest metro (I've tallied I-35W south of downtown, Crosstown, and 5.
It's some combination of
1) Bad wiring
2) Blown fuses in the base, and
3) Bad fixtures.
What is blowing the fuses in the base?
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Re: 4 months after LED Streetlight retrofit = more failures « Reply #25 on: January 15, 2017, 01:14:36 AM » Author: RyanF40T12
Haven't seen anymore failures as of late.  We've had temps down to the -2 degree range for a few days straight but so far the Philips Road Focus fixtures are holding up well.  The 2 or 3 that were strobing were repaired or replaced.  Been keeping a watchful eye on all of em. 
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