Yongnuo YN-622C II with Canon 580 EX II

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GeorgeAlbu New Member • Posts: 4
Yongnuo YN-622C II with Canon 580 EX II

Hi

I recently bought Yongnuo YN-622C II triggers and a Yongnuo YN-622C-TX to work with my Canon 6D and speedlite Canon 580EX II.

The 580 EX II fires at full power all the time, regardless of what the settings are. The setup used in this case is a YN-622C-TX on camera Canon 6D and the 580 EX II mounted on a YN-622C II.

I manually change the flash power on the Yongnuo 622C TX transmitter or camera menu, nothing changes on the display of the 580EX II. The lights on the transmitter/receiver however indicates when changes are made.

I tried different batteries, reset and cleaning speed light contacts.

Is it possible that the 622C II is faulty?

Please let me know if anyone had the same problem and know how to fix it.

Thank you very much

 GeorgeAlbu's gear list:GeorgeAlbu's gear list
Canon EOS 6D
Canon EOS 6D
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