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580ex display blinks constantly

Christopher Mclean , Mar 09, 2007; 04:25 p.m.

My display blinks non stop. I pushed in both the catchlight and the wide angle screen, and it still flashes. Anyone have any idea how to fix this?



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Will King , Mar 09, 2007; 04:44 p.m.

Have you replaced the batteries?

Christopher Mclean , Mar 09, 2007; 04:48 p.m.

Yeah, It has been blinking for the last 4 or 5 times I have shot. It doesn't seem to affect the flash outcome, but its annoying blinking on my face all the time, and I'm sure it doesn't help the batteries.


Robert Chura , Mar 09, 2007; 04:54 p.m.

page 48 of manual states the wide panel has been pulled out for bounce flash.

Christopher Mclean , Mar 09, 2007; 04:58 p.m.

Yeah, I heard the same thing, but its not. Both the catchlight and the wide panel are pushed in fully.

Derrald Farnsworth-Livingston , Mar 09, 2007; 05:16 p.m.

Do you have the flash positioned at something other than straight on? For instance do you have it swiveled up or to the side. This can cause it to flash.

Christopher Mclean , Mar 09, 2007; 05:22 p.m.

For the most part I am bouncing the flash, so I don't have it pointed straight forward. But I just tried it straight forward and it blinks like crazy still. Even when I am not pressing the shutter button.


Derrald Farnsworth-Livingston , Mar 09, 2007; 05:25 p.m.

Did you try it straight forward at the level angle or swiveled up?

Jeff Owen , Mar 09, 2007; 06:57 p.m.

My guess is that the wide panel switch is faulty and it thinks it is out and down.

Jim Strutz - Anchorage, AK , Mar 09, 2007; 07:19 p.m.

I had an older 540EZ that did this. It was the switch on the pull out diffuser screen.

I don't have a 580EX, but on my 550EX, if I pull out the screen part way, the LCD blinks, but if I have it all the way in, or all the way out and down across the flash head, the blinking stops. Try both of your screens all the way out and down to see if that changes anything. If nothing else this should force the zoom head to display 16mm and M in the viewfinder. If nothing changes, it's got to be the switch. If things do change, it's probably the part of the screen inside that trips the switch, or the spring that is attached to it.

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