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New Contributor
Posts: 1
Registered: ‎11-18-2013

Re: Speedlite 600ex-rt battery problem

I just brought me new 600 ex speedlite home and had the same problem reported here.  I tried holding the two clear buttons down and turning the power switch to lock and presto it now appears to be working fine.  

 

Thanks so much for you help!

 

 

New Contributor
Posts: 1
Registered: ‎11-19-2013

Re: Speedlite 600ex-rt battery problem

[ Edited ]

Thanks HCGraham.  Doing This indeed helped for me.  AFTER I also tried 5 packages of batteries...etc...

New Contributor
Posts: 1
Registered: ‎11-19-2013

Re: Speedlite 600ex-rt battery problem

Just got a new 600EX-RT and had the same issue - I tried 3 sets of brand new batteries and no luck. Then I left the speedlight in the on position, inserted the batteries and closed the cover and it worked. Turned it off and on several times, removed and replaced batteries, fired several test bursts, and no issues after that. Must be a startup glitch. Canon, please fix. And thank you to this forum, I would have spent a lot of unnecessary time and headaches returning the flash to get a new one, that might have had the same issue...
New Contributor
Posts: 1
Registered: ‎01-04-2014

Re: Speedlite 600ex-rt battery problem

Is there some issue with this.. I just got mine as well.. Opened it and tried 3 different brands of batteries.. nothing.. Then turned on, opened lid closed it,. nothing.. then moved the arm up and down then it started to work.. Very odd..

Occasional Contributor
Posts: 6
Registered: ‎01-09-2014

Re: Speedlite 600ex-rt battery problem

I too experienced this problem and solved it with the tips on this forum.

Is this a recurring problem with an individual speedlight?

Has anyone seen this happen again once it has been fixed?

New Contributor
Posts: 3
Registered: ‎07-21-2013

Re: Speedlite 600ex-rt battery problem

mine only did it the first time. and my unit always sits without the batteries cause i use them for a lot of different things (rechargables).

Simon

Occasional Contributor
Posts: 6
Registered: ‎01-09-2014

Re: Speedlite 600ex-rt battery problem

I am back. Cannot get 600EX-RT to recognize new batteries. Gives dead battery indicator. Any other suggestions? Send back to B&H for replacement? Very, very dissappointing. Even if it starts working I do not trust the flash to work when I need it.

New Contributor
Posts: 2
Registered: ‎02-19-2014

Re: Speedlite 600ex-rt battery problem

I bought the 600EX-RT a year ago, hardly used it and when I really needed it, the no battery symbol appeared and the flash won't work... I've replaced the batteries and followed all the advice posted on this forum, Very disappointed and frustrated. Please help

New Contributor
Posts: 3
Registered: ‎07-21-2013

Re: Speedlite 600ex-rt battery problem


atomskitchen wrote:

I bought the 600EX-RT a year ago, hardly used it and when I really needed it, the no battery symbol appeared and the flash won't work... I've replaced the batteries and followed all the advice posted on this forum, Very disappointed and frustrated. Please help


 

did you try letting the batteries sit in the unit for some time (while off)? that worked for me, think it was a few minutes - ever since then it has worked without problems. but it seemed like it need to fill up a capacitor, charge an internal battery or something.

New Contributor
Posts: 2
Registered: ‎02-19-2014

Re: Speedlite 600ex-rt battery problem

Thanks, I have tried....nothing

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