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600 EX RT not firing on 7D , working fine on other bodies


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#1 toni-a

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Posted 09 September 2017 - 04:39 PM

Can't find  logic reason behind it.

600EX RT is emitting AF assist beam, zooming with the lens on 7D however when it comes to shooting it doesn't fire, I cleaned the contacts on camera and flash, nothing changed, worst 580EX works normally on 7D, 600EX works normally on 750D !!!

Anyone has an idea what's going on ? how  to get the flah to fire again ??



#2 Rover

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Posted 10 September 2017 - 04:58 PM

If the other flashes are working on the 7D, surely it can't be the custom function disabling flash?..

#3 miro

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Posted 11 September 2017 - 12:51 PM

Which Firmware  version has Canon 7d?

If you call canon they will answer you- Please update to the latest firmware. it seems that something is solved in Canon7d FW version 1.0.9

 

PS: It happens similar to my 50d and 430EX MK2 flash. Solved after update. it was clearly mentioned in release notes.



#4 toni-a

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Posted 11 September 2017 - 08:33 PM

the problem it was working normally on 7D before

tried it zooms with lens and transmits all the info but does not fire, same on 5D and 30D






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