Author Topic: 70 HPS watt wall pack issues  (Read 180 times)
ramdude2014
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70 HPS watt wall pack issues « on: April 15, 2019, 03:46:17 PM » Author: ramdude2014
I have a 70 watt hps wall pack seems very lightly used but I plug it in and no light no hum no anything? Went over all the wiring and all checks out good! Could this be a bad ignitor or a bad ballast? Has brand new lamp too tested with many lamps with same outcome!
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Cole D.
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Re: 70 HPS watt wall pack issues « Reply #1 on: April 15, 2019, 04:24:14 PM » Author: Cole D.
Do it have a photocell or need one to work? Otherwise I say bad ballast if the wiring is good.
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ramdude2014
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Re: 70 HPS watt wall pack issues « Reply #2 on: April 15, 2019, 06:23:11 PM » Author: ramdude2014
Bypassed the photocell and still absolutely nothing!
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joseph_125
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Re: 70 HPS watt wall pack issues « Reply #3 on: April 16, 2019, 12:08:00 AM » Author: joseph_125
Sounds like a bad ignitor then. A lot of 70w tallpacks used a fairly cheap Caster cube style ignitor that was prone to failure.
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ramdude2014
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Re: 70 HPS watt wall pack issues « Reply #4 on: April 16, 2019, 10:04:02 AM » Author: ramdude2014
The ballast and ignitor is a caster brand!
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joseph_125
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Re: 70 HPS watt wall pack issues « Reply #5 on: April 17, 2019, 06:37:37 PM » Author: joseph_125
I managed to revive a Caster HPS ballast by wiring in a red barbecue piezoelectric ignitor in parallel to the lamp and using the barbecue ignitor to start the lamp manually. It works because the barbecue ignitors work by generating a high voltage pulse to spark the burner on a barbecue. In a lamp circuit it acts as a ignitor. 
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