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Old Oct 23, 2010, 10:12 PM   #1
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Default Canon Speedlite 430ex II Help

Just purchased the Canon Speedlite 430ex II for my brand new T2i. I put the batteries in and put on the camera shoe securely and locked it. Turn the camera on and then the flash on. When I turn it on, ETTL and Zoom flashes on the LCD for a second and nothing else. The pilot light is not lit. If I press the pilot button, ETTL flashes on for a sec.

For those that have used it, am I missing something? I've tried two sets of batteries and verify they are good. Is this unit DOA?
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Old Oct 23, 2010, 10:23 PM   #2
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How long did you wait? If the flash is brand new, it may take a while for it to fully charge. (not the batteries, the flash high voltage capacitor) It is normally best practice with battery powered strobes, to 'form' the capacitor by allowing it to charge off-camera, and then discharging it with the test button, repeating this five or six times, to allow the HV capacitor to reach its full capacity.

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Old Oct 23, 2010, 10:27 PM   #3
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I'll let it sit longer (I think I had it on for about 5 min before) - I guess I expected the display to show something?
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Old Oct 23, 2010, 11:54 PM   #4
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Going on 90 min - no changes.
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Old Oct 24, 2010, 1:29 AM   #5
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that is too long, are your batteries fully charged?
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Old Oct 24, 2010, 1:57 PM   #6
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I put the batteries in the charger again overnight, and it looks like the flash is working. It's odd, because the first set was brand new alkaline and the second set was 'fully charged' nimh.

Thanks for the help.
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Old Oct 24, 2010, 2:02 PM   #7
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alkaline do not last very long in a modern flash. You many get 10 flashes if they are fresh.
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Old Oct 25, 2010, 5:47 AM   #8
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Hi I found with my nisin di622 that i needed batteries that were 2000mha or over for it to work proply
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