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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 25 Jul 2008 (Friday) 19:49
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430EX WILL NOT FIRE, HELP!

 
Goodwin
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Jul 25, 2008 19:49 |  #1

Everything works but will not fire at all. Tried it on both cameras and nothing (XTi and 40D) Have an event this coming weekend and need help fast! Got it last December 2007. Shoot mainly motocross so dusty conditions.

Help!


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rocker83
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Jul 25, 2008 19:58 |  #2

sounds like my sigma a couple weeks ago, have you tried a fresh new pair of rechargeable batteries?


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Goodwin
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Jul 25, 2008 20:02 |  #3

rocker83 wrote in post #5985504 (external link)
sounds like my sigma a couple weeks ago, have you tried a fresh new pair of rechargeable batteries?

Still no fire with brand new batteries.


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rocker83
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Jul 25, 2008 20:05 |  #4

do you use it at full power at its max recycle time? It is horrible to think but its possible you may have blown the flash tube...In the canon manual there should be a section on how many shots you can take within a period of time before needing it to cool off for 10 or 20 minutes...


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DDCSD
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Jul 25, 2008 20:14 |  #5

Did it work the last time you used it? How long ago was that?

Do you have it set to slave?

Does it start up?

What does the LCD say?

Does the red LED light up?

Does it fire when you push the pilot button?

Does it sound like it is charging the capacitor?

Does it fire if you short out the contactor on the side of the foot and center pin on the flash?


Derek
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Goodwin
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Jul 25, 2008 20:17 |  #6

rocker83 wrote in post #5985530 (external link)
do you use it at full power at its max recycle time? It is horrible to think but its possible you may have blown the flash tube...In the canon manual there should be a section on how many shots you can take within a period of time before needing it to cool off for 10 or 20 minutes...

Yes I do actually, it is outdoors when I use it at max power. It says.. "To avoid overheating and deteriorating the flash head, do not fire rapid bursts of more than 20 continuous flashes. After 20 continuous flashes, allow a rest time of at least 10 min." I know I have done that but I don't think 20 continuous shots. I don't think!


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Goodwin
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Jul 25, 2008 20:24 |  #7

DDCSD wrote in post #5985570 (external link)
Did it work the last time you used it? How long ago was that?

Do you have it set to slave?

Does it start up?

What doe the LCD say?

Does the red LED light up?

Does it fire when you push the pilot button?

Does it sound like it is charging the capacitor?

Does it fire if you short out the contactor on the side of the foot and center pin on the flash?

The last time was July 13

Not on slave

LCD - ETTL Zoom 35mm

Red light, yes

Pilot, no fire

There is the charging sound

No, I don't think so


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DDCSD
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Jul 25, 2008 20:28 |  #8

Does the red light go out after you push it?

Have you tried rotating and tilting the head around while pushing the pilot button? (Unlikely to have much effect, but possible.)


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Goodwin
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Jul 25, 2008 20:30 |  #9

Nope.

Just tried it and nothing.


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DDCSD
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Jul 25, 2008 20:42 |  #10

Sounds like you may be in trouble then. My guess is either broken/fried flash tube or something came loose inside.

Usually when you fry a flash tube, you know because you are in the middle of using it and it all of a sudden doesn't work any more, so I am not sure if this is the case here.

Maybe someone else has another suggestion, but I think you might want to locate another flash for the weekend.


Derek
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Goodwin
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Jul 26, 2008 11:46 |  #11

Anyone? How much will a flash tube cost?


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430EX WILL NOT FIRE, HELP!
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