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Old 12-24-2010, 01:53 AM #1
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Default Diode bright then Instantly Dim

So the title says it all. I stated it up and it was bright as hell Then it went dim, Tried different batteries.

Flex set at max and heasinked... Any ideas

When I press the button its dright then it looks like its Led



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Old 12-24-2010, 02:02 AM #2
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Default Re: Diode bright then Instantly Dim

Like I said if you did not have bad luck.

I have not seen that one before. It dose not dim it just goes out?
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Old 12-24-2010, 02:03 AM #3
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Default Re: Diode bright then Instantly Dim

Quote:
Originally Posted by Toaster View Post
So the title says it all. I stated it up and it was bright as hell Then it went dim, Tried different batteries.

Flex set at max and heasinked... Any ideas

When I press the button its dright then it looks like its Led
You really need spell check! (I at least have an excuse I am drinking CR)
Is it a 405, 445 or one of the reds?
How many ma is the flex drive set at? Max = ?
What battery or batteries are you using?

Edit: now you have a vid
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Old 12-24-2010, 02:04 AM #4
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Default Re: Diode bright then Instantly Dim

It was the replacement from you. I am not blaming you thouhg just fyi.

Um yeah it was bright for about 5 sec the FIRST time then it went to this... :/

@ george, I wanted it up fast sorry. Um its 445 AW 18650 new 1.5A
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Old 12-24-2010, 02:13 AM #5
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Default Re: Diode bright then Instantly Dim

Check all of your connections and see if you don't have a small strand of solder or wire touching some where.
You might also have a problem on your pot, turn it down just a hair. I have had a pot that would have short when it was turned up all the way.
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Old 12-24-2010, 02:14 AM #6
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Default Re: Diode bright then Instantly Dim

will try connections first. Re solder the diode. Everything on the test load was a-ok
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Old 12-24-2010, 02:27 AM #7
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Default Re: Diode bright then Instantly Dim

Resoldered diode, same.... Time to check driver batt connections I gues... So bizzarre...What is this caused by


Onto a new driver..
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Old 12-24-2010, 02:30 AM #8
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Default Re: Diode bright then Instantly Dim

Hopefully it's not something bad, for me it usually something simple that I over looked.
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Old 12-24-2010, 02:37 AM #9
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Default Re: Diode bright then Instantly Dim

well this is my first attempt at heatsinking... I am thinking maybe the paste fux0r3d the driver
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Old 12-24-2010, 02:46 AM #10
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Default Re: Diode bright then Instantly Dim

It does't take much to cause problem on electronics. I recieved a circuit board for a high speed door and it was supposed to be for 480v, I got it all wired in and turned on the power. I started to go thru the set up and touched the run button on the board and the board blew up in my face. Come to find out the board was for 208v.
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Old 12-24-2010, 02:54 AM #11
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Default Re: Diode bright then Instantly Dim

Diodes shot, Jesus Christ.

Paging DTR
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Old 12-24-2010, 03:00 AM #12
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Default Re: Diode bright then Instantly Dim

That sucks!
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Old 12-24-2010, 03:01 AM #13
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Default Re: Diode bright then Instantly Dim

Hey does anyone need a diode or two... I need some from DTR Ill get two,

Yeah And I did nothing wrong as far as I know
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Old 12-24-2010, 03:14 AM #14
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Default Re: Diode bright then Instantly Dim

I think you are cursed.

How do you know you blew the diode?
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Old 12-24-2010, 03:16 AM #15
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Default Re: Diode bright then Instantly Dim

ESD maybe?
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Old 12-24-2010, 03:18 AM #16
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Default Re: Diode bright then Instantly Dim

Im 99% sure it wasnt ESD.. i discharged before I sat down and didnt move since...

Its in an LEDd state.. I did A whole new driver at a lower current and the same thing
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