Author Topic: What would cause an HPS lamp flashing green  (Read 783 times)
Cole D.
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What would cause an HPS lamp flashing green « on: January 12, 2023, 11:16:12 PM » Author: Cole D.
Last night I saw an HPS streetlight that the lamp wasn’t getting to brightness but staying green instead. But I noticed it was just flashing green. Could it be the ignitor keeps striking causing this?
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Collect vintage incandescent and fluorescent fixtures. Also like HID lighting and streetlights.

dor123
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Re: What would cause an HPS lamp flashing green « Reply #1 on: January 13, 2023, 02:44:07 AM » Author: dor123
Why not to upload a video of it, so I could know what is this about.
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Re: What would cause an HPS lamp flashing green « Reply #2 on: March 06, 2023, 02:58:39 AM » Author: Econolite03
Probably the ignitor trying to get the lamp going, but the lamp is so worn out it can’t hold a solid arc stream on top of probably being sodium starved. I believe I’ve seen it once.
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Re: What would cause an HPS lamp flashing green « Reply #3 on: March 06, 2023, 10:48:56 AM » Author: Mandolin Girl
A very plausible explanation, thank you.  :wndr:
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Re: What would cause an HPS lamp flashing green « Reply #4 on: March 17, 2023, 10:02:54 PM » Author: Cole D.
Yeah that makes sense, I couldn’t get a video unfortunately as it’s on a busy street.
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Collect vintage incandescent and fluorescent fixtures. Also like HID lighting and streetlights.

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