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Thread: Fenix P2D CE Problem on Low Setting (Video)

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  1. #1

    Default Fenix P2D CE Problem on Low Setting (Video)

    On my first Fenix P2D CE, the medium setting would not work. Josh at Lighthound graciously sent me a replacement.

    However, on this second P2D CE, when using the low-medium-high-SOS levels, the low setting starts out at full power for about a quarter second before settling down to the low output. This doesn't seem right to me and seems to defeat the purpose of starting out with a level that is not too bright. Josh is looking into it for me, but I thought I'd poll owners here, too.

    I shot some video so you could see what I'm talking about: http://home.vafb.net/~rgknowlton/P2D_CE.wmv.

    I suppose I just want a $50 light to work the way it's supposed to. Has anyone else experienced this issue?

  2. #2
    Flashaholic* Lite_me's Avatar
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    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Yes, it's so common you can say they all do it. I have one and mine does it. It has been discussed in various threads.
    Here's one. Click here...
    Last edited by Lite_me; 07-11-2007 at 02:59 AM.
    "Success usually comes to those who are too busy to be looking for it."

  3. #3
    Flashaholic fluke's Avatar
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    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    My P3DCE does it, my L2DCE does it.
    Seems to be one of those things.
    Surefire 6PLED (Dereelight Q5 Drop-in) - Regalight WT1 - P3DCE (datiLED Q5ed) - L1D Q5 - L0DCE - LiteFlux LF2 - Minimag Niteize 3 LED Drop In And Clickie Tailcap - Mag 4d

  4. #4
    Flashaholic* digitaleos's Avatar
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    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    My P2D does it, but my P3D does not .

    Chris
    U2A--D10--Stanley HID

  5. #5

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Likely just a by product of the way they have designed the regulator. I don't like it, but it is not the end of the world. I guess we need to keep our hand over the light for that first flash.

    Semiman

  6. #6
    Flashaholic RV7's Avatar
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    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    This can be easily fixed by software. I'm surprised to see Fenix overlooked this issue during R&D. Hope they've already noticed and fixed it.

  7. #7

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    The P1D does it also. It is much less noticeable in the P1D because it goes from high to medium instead of from high to low.

  8. #8
    Flashaholic
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    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    For $50.00 the light should work as led to believe in their advertising and spec sheets. Nowhere on any advertising or specs for the light does it say that it will flash when starting up. This sounds like a big glitch and quality control issue to me and it should be remedied.

  9. #9
    Flashaholic* abvidledUK's Avatar
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    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    It's not the only torch that does that, or something similar.

    The Safe-light Superbright gives a double flash when using the constant press to switch off.

    Now, I find that more intrusive.
    Batteries, batteries, I need more batteries ........

  10. #10

    Wink2 Re: Fenix P2D CE Problem on Low Setting (Video)

    Quote Originally Posted by Uncle Bob View Post
    For $50.00 the light should work as led to believe in their advertising and spec sheets. Nowhere on any advertising or specs for the light does it say that it will flash when starting up. This sounds like a big glitch and quality control issue to me and it should be remedied.
    I think we can all agree that the flash issue before low is a problem. I can only assume as the lights get better they will fix this issue. They may have upgraded the circuitry to a more efficient circuit recently, hence the new problems. I also am slightly bothered by the flash, but I just put my other hand over the lens (or press the lens against my shirt) to prevent the flash. I mostly use this light in high or turbo mode anyway - so it doesn't seem like a huge problem in my eyes. The low, is too bright IMO (especially with my Cree Q4 bin) - but hopefully with new driver revisions they will give us a lower low, along with eliminating the flash. I have the L1D and L2D bodies already - and will get the P2D body within a week to complete my boost Fenix lego set.

    Overall though, I haven't had a light which performs up to the same standards for as inexpensive as this light is - $50 for a light which has 4 brightness settings (+ SOS and strobe), and can use a variety of different bodies and battery sources still seems like an excellent value in my eyes. I have one light which I have been playing with and modifying over the last couple of years with much more invested, and the Fenix light is brighter and out throws that light...hence why I am again upgrading my old light to another new driver and emitter. But this light can only use 2xAA NiMH, and it only has a single setting - so it's not anywhere near as versatile as my Fenix P2D/LxD lego set.

    Still love the Fenix, even with the flash problem. Uncle Bob, are you considering selling your P2D due to the problems? If so, I could take it off your hands and keep the body, upgrade the emitter in the head, and resell it. Just let me know through PM.

  11. #11
    Flashaholic*
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    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Quote Originally Posted by wintermute View Post
    I think we can all agree that the flash issue before low is a problem.
    Speak for yourself. It doesn't bother me in the slightest.

  12. #12

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Quote Originally Posted by Jay R View Post
    Speak for yourself. It doesn't bother me in the slightest.
    I've already stated it doesn't bother me either, but it's obviously an incorrect way for a driver to start-up. Like RV7 already indicated, this was a problem with his drivers...one that he fixed. It's a minor flaw in the operation of the circuit (especially since earlier models did not exhibit the problem).

  13. #13

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    For me it is not that big a deal. I don't want them to give up any efficiency to stop it. There is not a more efficient flashlight available at any price.

  14. #14

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Here's the response received from Fenix:

    "It is normal like that. The circuit releases 100% output of the max brightness when you open it or change a mode. It is checking when you change to a new mode, so it needs about one second to go to the mode you want."

    I don't like it, but it appears to be an expected response.

  15. #15

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    From what I have heard from other members, the P3D does not do this - but considering it is a different driver this doesn't completly surprise me. If anyone with one of the old smooth reflectors wants to upgrade to a new unit - or if someone wants to maybe try 2 x 14500 batteries in a L2D body with a P3D head, I am willing to buy the older/semi-working head to do some testing with. Stock heads can be bought cheap from Fenix-store $32 with the discount, so if anyone wants to try something else (especially if you have the old smooth reflector, and you want to move to the textured reflector) I'll buy the old semi-sorking/old Fenix head from you for a decent price and your out of pocket expense to pick up the new head will be minimal. Let me know...only discontinued, semi non-working Fenix heads though...I am going to do some tests which would kill my warranty quickly - but you could get a brand spanking new head from Fenix-store within days for a minimal investment. Let me know thought PM..

    All the best,
    wintermute.

  16. #16
    Flashaholic RV7's Avatar
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    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Quote Originally Posted by Bob K View Post
    Here's the response received from Fenix:

    "It is normal like that. The circuit releases 100% output of the max brightness when you open it or change a mode. It is checking when you change to a new mode, so it needs about one second to go to the mode you want."
    Does this make sense to anyone? Not to me.

  17. #17

    Wink2 Re: Fenix P2D CE Problem on Low Setting (Video)

    Quote Originally Posted by RV7 View Post
    Does this make sense to anyone? Not to me.
    No - it makes no sense whatsoever. That is customer service drivel. It doesn't matter what they say - they know it is a minor problem and they should have it fixed the next driver revision...if someone else doesn't fix it first.

  18. #18

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Dudes .. there is no way this light has software.

  19. #19
    Flashaholic Mr.Urahara reloaded's Avatar
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    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Quote Originally Posted by PegAir View Post
    Dudes .. there is no way this light has software.
    Have you really read the WHOLE Thread?
    AND the Thread Wintermute linked to?

    Don't post something if you really do not have a clue what they are talking about

    Btw: Most ( not everything) that is more complicated than a 1 Mode flashlight has some kind of "Software".

  20. #20

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Quote Originally Posted by Mr.Urahara reloaded View Post
    Have you really read the WHOLE Thread?
    AND the Thread Wintermute linked to?

    Don't post something if you really do not have a clue what they are talking about

    Btw: Most ( not everything) that is more complicated than a 1 Mode flashlight has some kind of "Software".
    That wasn't a very friendly reply. Oh, and so you know, I build this sorta stuff for a living; day in and day out.

  21. #21

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    I just thought you might want to know that the new P3D Rebel 100 does not do this at all! I received mine today and expected it to act just as my P2D CE, but to my suprise it didn't. One click and all you see is the lowest setting. No flash of turbo at all!

  22. #22

    Default Re: Fenix P2D CE Problem on Low Setting (Video)

    Quote Originally Posted by adirondackdestroyer View Post
    I just thought you might want to know that the new P3D Rebel 100 does not do this at all! I received mine today and expected it to act just as my P2D CE, but to my suprise it didn't.
    I don't understand why you were surprised; as the posts in this thread make clear, the P3D CE has never done this, while the other, lower voltage Digitals do.

    As for the annoyance factor, I hate, hate, hate the way my L1D CE flashes into low, and as such I don't use it for anything other then turbo-class tasks.

    So the question to ask is, will the new Rebel Digitals such as the P2D RB have the flash? I'd pre-order a P2D RB in a heartbeat if I knew that there were no flash. But it's a deal-breaker for me, it's that distracting (to me; apparently not to others).


    Dave

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