580EX II eTTL full power using E - TTL FLASH off-camera cord

With the help of a 5 d Mk III with 580EX II.  On the claw, eTTL works very well. Can access the menu camera very well.  When I join eTTL off-camera flash cord to get the Speedlites off camera, only full of works of power and compensation does not at all.  Full power only and can not access the settings in the menu of the device.  When I do the same thing to the 430EX II everything works very well on and off-camera with the same nine cord and menu is accessible and settings can be changed.

No idea what it could be?

JeepDaddy wrote:
This isn't a power cord Canon, it's Chinese. I think it's a combination of cord of low quality and reliable contacts on Speedlite flashes old guns. After I posted this question and had a cup of coffee, I tried again and magically it started working. I swapped the Speedlites and the 430 would not work, but then he slips and turns off several times it worked.

I don't use my Speedlite flashes very often, but whenever I've done, it seems that I have trouble connecting with all that I use on the inclusion of the claw. I ETTL triggers that I always seem to have the same problem with.

Maybe can anyone suggest a way to make more reliable contacts?

The evidence is to try a Canon cord. Although bad contacts on flashes Speedlite is a possibility, the fact that these two of them only sporadically suggests that the cord is at fault. And since you rarely use the Speedlite flashes, you have probably not given time to contacts wear.

Tags: Canon Camera

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