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Thread: Xenonics Nighthunter One help

  1. #1

    Default Xenonics Nighthunter One help

    Hi guys,
    Is this the correct forum to post a support thread? Xenonics Customer Support next to useless. Never a single reply for something that is supposed to be mil.

    Thanks,
    AceD

  2. #2

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    Please, anyone?

  3. #3
    Flashaholic* larryk's Avatar
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    Default Re: Xenonics Nighthunter One help

    What do you need help with ?
    Collins Dynamics CD-12, CD-12 Magnum, Microfire Warrior, Iluminator HID, Costco HID, ,Maxabeam, Polarian Helios, RayzorLite ,BarnBurner,and a bunch of small lights.

  4. #4
    BVH's Avatar
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    Default Re: Xenonics Nighthunter One help

    Post away. CPF is full of support-friendly people.
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW Marconi, 1KW VSS-3a, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 300 Watt Locators, Megaray, 150 Watt Set Beam, 150 Watt Communicator, Maxabeam Gen3, Fritz HandSun, LarryK14@52V

  5. #5

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    Hello and thanks.

    I'm now on my second nh1. Both have failed with this problem. (btw, I bought the second one because I was concerned about messing with the first nh1. Now the second one has exactly the same problem).

    NH1 of whom I know some don't like. I think it's (was) a great torch and very good with covert lens on.

    Both of mine will no longer power up. When I hit or hold on the power button, the circuit clicks and then buzzes momentarily. The batteries I'm certain are good. Both charge fully and are 22v 4400mah lipos.

    The bulb I cannot see any defects, although I wouldn't know how to test being a short arc.

    Every time I press the power button, it buzzes inside and then stops. No light whatsoever.

    I've taken the bulb out and held the power button on to see what this buzzing sound is. All I can see inside is this component on the board lighting up as if it were some kind or starter. The fact that both my nh1s do "exactly" the same buzz must mean they are suffering the same problem.

    Could this be the bulb ? Quite expensive to buy one of it turns out not to be!

    Can I test the bulbs somehow?

    Any advice, forever grateful. Xenonics support have not once replied.

    AceD

  6. #6
    Flashaholic* ma_sha1's Avatar
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    Default Re: Xenonics Nighthunter One help

    Don't trust the battery, get a power supply & hook up to the light directly & see if you can fire it up.
    The battery is the first place I'd trouble shoot at. These should be robust lights, for both to have lamp or ballast failure is not impossible but unlikely.

    I've built short arcs from scratch, when ballast can't draw enough power, it buzzes (Also throw sparks at my ballast).
    Last edited by ma_sha1; 06-19-2012 at 01:07 PM.
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  7. #7

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    Hi, thanks for reply. The lights have mains power supplies but still don't fire up even when plugged in. I just can't work it out how two have done the exact same thing within weeks of each other.

    The last thing I remember before the second nh1 failed was it took a few seconds from pushing the on button, to igniting the bulb. Under normal conditions the light comes on instantly. The delay happened on the first nh1 also.

    The lights are still in new condition. Can I test the bulbs somehow, and what can I do with the batteries even if on mains makes no difference?

    Again, thanks for help.

  8. #8
    Flashaholic* ma_sha1's Avatar
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    Default Re: Xenonics Nighthunter One help

    Does the power supply suppose to fire it up? Some power supply only charge & won't fire, for example, my shaver won't shave when power is plugged in, a safety feature. Did you ever fire it up with main power supply w/o battery in it? If you have two charger, you could rig one up & directly connect to battery contact on the ballast & see if it'll fire up.

    If you want to try a new bulb, I think it's UXL-75XE, it appears on ebay from time to time for $50-$100 or so, try it out.
    My Mods.. http://www.candlepowerforums.com/vb/...5&postcount=78
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  9. #9

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    Hi, yes the power supply is designed so it can be used from the mains (or cigarette lighter) and charge at the same time.

    Although the bulb is replaceable, Xenonics claim that they factory align. The bulb model is oddly a UXL-75XE3. Heard of that one?

    I'm not even sure what the ballast looks like tbh. All I see looking inside are several circuit boards and this extremely bright sparking light that appears to be the sole cause of the buzzing.

    It's a tight fit inside the torch and I'm no electrical engineer. If you or someone can highlight a way to tell if bulb blown, I'd happily purchase another off eBay or the like...

  10. #10

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    Oh btw, not tried plugged into mains without battery. Could be worth a try. Thanks

  11. #11
    BVH's Avatar
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    Default Re: Xenonics Nighthunter One help

    I don't have anything further to offer at the moment but I would not initiate the ignition cycle without the bulb in the circuit. The spark you see might be the "arc gap" component built into many short arc ignition systems. It's a calibrated gap inside a container similar to a spark plug gap and is designed to create a specific ignition voltage. Do you remember the buzzing when the lights worked? It is not an uncommon normal sound in some short arcs.

    Do you have a voltmeter?

    And just to confirm, the mains power supply is designed so that the light can run for unlimited time while hooked to it?
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW Marconi, 1KW VSS-3a, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 300 Watt Locators, Megaray, 150 Watt Set Beam, 150 Watt Communicator, Maxabeam Gen3, Fritz HandSun, LarryK14@52V

  12. #12
    BVH's Avatar
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    Default Re: Xenonics Nighthunter One help

    Quote Originally Posted by AceDan View Post
    The bulb model is oddly a UXL-75XE3. Heard of that one?
    Here's a lot of 6 bulbs that are probably the same even with an extra digit in the number.

    ebay.com/itm/NEW-Lot-of-6-Ushio-UXL-75XE-Xenon-Short-Arc-65W-Lamp-Bulbs-1000L-Light-5000371-/400304035223?pt=LH_DefaultDomain_0&hash=item5d33fa d597
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW Marconi, 1KW VSS-3a, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 300 Watt Locators, Megaray, 150 Watt Set Beam, 150 Watt Communicator, Maxabeam Gen3, Fritz HandSun, LarryK14@52V

  13. #13

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    Hello.

    Nope, when the lights were working correctly, there was no "buzzing" at all. The buzz is now apparent since they don't work.

    As for the power supply. It is used so you can get continuous use from the light, military installations etc or for use when on vehicles. And on the plus side, will charge the battery at the same time.

    Thanks for the eBay link. Have contacted seller to see if he'll split individually but he said nope.

    I don't have voltmeter either, only multimeter but that will only have max 12v. Guess I can borrow one. What sort of range will it need and where will I use it on torch?

    Thanks again for all your replies.

  14. #14
    BVH's Avatar
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    Default Re: Xenonics Nighthunter One help

    Here's one for 70.

    .ebay.com/itm/Ushio-UXL-75XE-65-Watt-Xenon-Short-Arc-High-Pressure-lamp-Brand-New-/170860132098?pt=LH_DefaultDomain_0&hash=item27c80e b702

    On the lights or in paperwork, is there an acceptable input voltage range the lights will operate on? The voltmeter would need to be able to measure DC voltage up to the max battery voltage. Is this a 6S Lipo and if so, then it will need to read up to 25.2V. You'd need to put the voltmeter probes across the + and - battery terminals and observe the Voltage reading when you're trying to start the lights. The reading should be above the minimum input voltage stated in the manual if you have one. You can do the same with the power supply connected. You just want to insure that the light is receiving a high enough Voltage to operate. If that is indeed fine, then you're looking at either a ballast or bulb problem but you probably already know that.
    Last edited by BVH; 06-20-2012 at 10:34 AM.
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW Marconi, 1KW VSS-3a, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 300 Watt Locators, Megaray, 150 Watt Set Beam, 150 Watt Communicator, Maxabeam Gen3, Fritz HandSun, LarryK14@52V

  15. #15

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    Thanks for that.

    Still need to know how to test current bulbs though. How can you check continuity or if bulb blown on a short arc?

  16. #16
    BVH's Avatar
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    Default Re: Xenonics Nighthunter One help

    Unless you have a known good ballast/short arc power supply, there's no way to test a short arc bulb. There is no continuity thru them by design. I'm not familiar with this light but can you open up the ballast to visually look for burned parts, loose connection or?
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW Marconi, 1KW VSS-3a, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 300 Watt Locators, Megaray, 150 Watt Set Beam, 150 Watt Communicator, Maxabeam Gen3, Fritz HandSun, LarryK14@52V

  17. #17

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    Ah ok fair enough. I can try taking it apart gently to see, but TWO nh1s within a few weeks, with exactly identical lamp failure?!!! And completely different units, different serials etc. unless out of a bad batch?

  18. #18
    BVH's Avatar
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    Default Re: Xenonics Nighthunter One help

    My guess is that it's not a power supply issue with two batts and two external supplies all of a sudden going South. I also guess it's not a bulb issue - which leaves a ballast, switch or connection issue. And I agree with you that coincidences are not too plentiful in the real world. What have you done identically to both lights just prior to each one malfunctioning? How is that bulb module mounted and connected? Could there be a connection issue in that setup? Is the ballast and lamp module getting a good ground. Just some things that come to mind. I love trouble shooting these issues. Wish I had one to investigate.
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW Marconi, 1KW VSS-3a, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 300 Watt Locators, Megaray, 150 Watt Set Beam, 150 Watt Communicator, Maxabeam Gen3, Fritz HandSun, LarryK14@52V

  19. #19

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    I've done nothing except turn them on and use them as per a torch. Admittedly they are extremely powerful and so have used them over long distances. Nothing else you can do except turn it on or off. Single button only.

    When the first one failed, I found a second one pretty quickly which I was going to use to take bulb out and batt to test in first one. But I figured not to in case it blew a bulb or batt. And then at least two hours use, buzz buzz and no light.

    I'm happy to take it apart, just not sure how to test as I'm not sure what components do what or how to check they working correctly. If only Xenonics replied to my support requests!

  20. #20
    *Flashaholic* Patriot's Avatar
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    Default Re: Xenonics Nighthunter One help

    Quote Originally Posted by AceDan View Post
    Hi guys,
    Is this the correct forum to post a support thread? Xenonics Customer Support next to useless. Never a single reply for something that is supposed to be mil.
    Just out of curiousity of their customer service / support, I called Xenonics yesterday afternoon and left a message stating that I had a friend with a NH1 issue. Vicky called back and left a message on my phone at 10:00am when I was in a meeting and left her direct extension. Not sure what you think but I was fairly impressed with that.

    Did you call customer service? Is the light under warranty? Did you purchase it used?

  21. #21
    BVH's Avatar
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    Default Re: Xenonics Nighthunter One help

    Now that's what I call HELPFUL! Way to go, Paul!
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW Marconi, 1KW VSS-3a, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 300 Watt Locators, Megaray, 150 Watt Set Beam, 150 Watt Communicator, Maxabeam Gen3, Fritz HandSun, LarryK14@52V

  22. #22
    *Flashaholic* Patriot's Avatar
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    Default Re: Xenonics Nighthunter One help

    Well AceDan, I'm not sure if you were actually ever seeking help from Xenonics or just calling them "next to useless" but if you do need help, I guess you'll PM me. I have Vicky's ext and she seems to be helpful.

    Obviously you're going to incur costs if your light isn't under warranty but I honestly don't know what their warranty policy is because I haven't pursued this any further. Like you stated, most of us aren't Xenonics advocates because it's an under performer when compared to the Maxabeam.

  23. #23

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    Good morning guys,
    Thanks for making contact with Xenonics. I've not called them as now based in UK. I emailed on 4 occasions over the last 3 weeks. Two to customer service of whom sent me manuals prior to requiring support, and so I replied to that same person. The other two emails I sent where to the customer support emailing address they supply and a guy in the forces on the warranty card. No reply from any...hence my "useless" statement. No offence implied.

    I should imagine both are out of warranty despite being in new condition. So, being in the UK poses me problems and that's why I'm trying to find support to self-diagnose. So everyone who has offered, especially bvh, I'm extremely grateful too.

    Never sure on under performers but does the maxabeam have a covert lens attachment? Besides, I don't have one but two nh1s which have been more than perfect for me :-)

    Thanks for your comments and call to Xenonics on my behalf. I'll PM you :-)

  24. #24

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    Patriot, I can't pm you as apparently you have too many pm's already :-)

  25. #25
    *Flashaholic* Patriot's Avatar
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    Default Re: Xenonics Nighthunter One help

    Thanks AceDan, all cleared out. I noticed that my CPF supporter subscription just ended which shrinks the mail box size. Time to renew....

    P.S. I understand better now about your difficulties and being overseas. I can think of other manufacturers that you actually have to call since they don't seem to answer email. I also understand the mentality of a, "do it yourself-er" and no one is better at it than BVH. The projects that I've seen him take on blow my mind. Between guys like him and any support that Vicky can give, perhaps you'll have two working NH1's in the end.
    Last edited by Patriot; 06-21-2012 at 09:44 AM.

  26. #26
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    Default Re: Xenonics Nighthunter One help

    Patriot, that is very nice of you to say, Thank You. I don't know if you visit the machining sub forum but there are some true magicians over there who produce museum quality products!
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW Marconi, 1KW VSS-3a, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 300 Watt Locators, Megaray, 150 Watt Set Beam, 150 Watt Communicator, Maxabeam Gen3, Fritz HandSun, LarryK14@52V

  27. #27

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    Thanks guys. I've PMd you successfully now. Ive been in touch with that seller selling USHIO bulbs. Will order one to the uk on sat.

    BVH, anything you can advise when I start taking this torch apart. If I get a voltmeter, where do I start?

    Guys, how do upload pics here?

  28. #28
    BVH's Avatar
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    Default Re: Xenonics Nighthunter One help

    I use the image host "Photobucket" It's free. Upload them to your account and then when viewing them in your album, moving your mouse cursor over the pic will bring up a cloud with 4 link options. Copy the last one "img" and paste it in the body of your CPF post and your image will appear upon refresh.

    You have 4 sources of power btw the two lights. As I mentioned, chances are very slim that you're not getting good power to the light but you probably want to be absolutely sure. With your Voltmeter probes, you need to get to a place where you can probe the + and - input wires/connections from the power supply or the + and - leads from the battery to verify that when you flip the switch momentarily, that you have the minimum Voltage stated on the light/in the manual. I think you may have said 12V. If you end up having to do this at or near the ballast, then be careful not to have your probes or body parts around around high voltage components so you don't get zapped. Pics will help because I am not familiar at all with the ballast nor layout of the components in the NH. If Voltage is good, then you'll want to look at all the components on the ballast circuit board. (I'm assuming that the ballast is an open frame type where you can see all the parts, resistors, diodes, coils, etc. If it's sealed, then not much can be done beyond this point. Look for any obvious burned, discolored parts, evidence of arcing, loose wire connections, solder joints that may have come apart. Again being careful, you may need to make some temporary input power connections so you can look at the ballast when flipping the switch. Short pieces of wire with alligator clips work well. You'll be looking for obvious arcs from a high voltage part. Based on the buzz your hearing, something might be visible. I think that's enough for now. Keep in mind, I am not an electronics expert nor even a journeyman but I can sometimes find an issue with a circuit. Many times not. Sometimes, it just comes down to swapping parts until it works. Having the new bulb will pretty much narrow it down to ballast or bulb if input power is good.
    Last edited by BVH; 06-21-2012 at 02:27 PM.
    WWII 60" Anti Aircraft Carbon Arc (Sold), Short Arcs: 1.6KW NightSun, 1KW Marconi, 1KW VSS-3a, .8KW TrakkaBeam, 600 Watt M-134 Gun Light, 300 Watt Locators, Megaray, 150 Watt Set Beam, 150 Watt Communicator, Maxabeam Gen3, Fritz HandSun, LarryK14@52V

  29. #29

    Default Xenonics Nighthunter One problem, mine blew up.

    I am new to the this light, but it looks like an extremely impressive torch! I plugged it in following the directions, hit the button and the light began to flash in a strobe effect. Turned it immediately off because I do not believe it has a strobe function. Let it charge more and then gave it a second shot while it was still plugged in, and it actually blew out part of the black plastic housing in the back (was not hot)! After thinking I just broke a very expensive light, i tried it one more time 12 hours later and it worked! But now as I try to recharge the thing it strobes while its plugged in... any ideas on what is wrong or what went wrong with the light or how I am messing it up?

  30. #30
    *Flashaholic* Patriot's Avatar
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    Default Re: Xenonics Nighthunter One problem, mine blew up.

    Sounds like the batteries got so warm/hot while charging that something expanded and displaced important pieces. What did Xenonics warranty department say?

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