Question about Canon SPEEDLITE 580EX TTL Flash

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Canon Speedlite 580ex ii - won't work with camera

Canon Speedlite 580ex ii - worked fine for 7 years, now it won't fire for the camera. Got new camera approx 1000 photos ago, used this flash with it for most of those. Then this week the flash stopped working. Replaced batteries with fresh, didn't help. Camera can "see" flash, cleared C.Fn codes using camera, but that didn't help. Pilot light is red when flash is switched ON, and I can get the unit to fire by pushing the Pilot button. But when I try to take a flash photo, it won't flash.

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  • Caroline R Feb 11, 2014

    problem solved: it wasn't the flash, it was the camera (and the user) My previous camera wasn't as sophisticated as my new one (70D); I'd been using Auto, and wanted to switch to AV mode to get better depth of field. I learned online that the 70D configures flash for each "mode" setting independently. Once I enabled flash for AV mode, I was back in business.

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  • 254 Answers

Caroline, you should try to set the camera on "M" and the flash in 2nd curtain flash sync.

Or set flash in ATG wireless IR ETTL Slave modes and pop-up the flash on Canon EOS-70D.

Truly,
atdlee@netzero.com

Posted on Jun 06, 2014

Testimonial: "The comment about settings helped me discover the underlying problem - one of the configuration settings was changed (I didn't remember doing this) to no flash. Toggled that back and it worked fine. Thanks!"

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Posted on Jan 02, 2017

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SOURCE: speedlite 550EX Speedlite Flash

Let the flash rest for two weeks, to discharge the cap.
Buy Energizer Lit. Batteries.
Do not touch batteries ends with fingers.
Cleans 4 batteries with an Ink Eraser.

Alexander
atdlee@netzero.com

Posted on Dec 21, 2007

  • 57 Answers

SOURCE: 580EX speedlite not firing

Does the pilot lamp light up? If so can you fire it manually by pressing on it? If the batteries are low it may simply just be taking a while to charge, the camera will not wait for it to be ready to fire and it may seem to be not working. If your flash can be fired manually however, there may be a problem with the cameras shutter or the hotshoe. You can do a basic check by pressing the star button at the rear of the camera, you should get a pre-flash. If not, there is a problem with the cameras hotshoe which you will need addressed by a service centre. If you get a preflash you can next check the cameras shutter by setting the second curtain to sync with the flash. This can be done via the cameras "Custom Function" menu, c-Fn 15. Set the camera to TV mode and chose a 1 second exposure. Take a shot with the flash attached, if the shutter is working correctly, the flash should fire a pre-flash and then a main flash. If it doesnt, the switch inside the shutter is broken and the shutter needs to be replaced. This is a pretty labour intensive repair and you may consider an upgrade as more economical.

Posted on Apr 15, 2009

SOURCE: Canon speedlight 430EX II won't fire

The conceting piece of the Flash has cracked when i dropped it, is there any thing i can do to repair or exchange it?

Posted on Nov 03, 2009

richard191
  • 691 Answers

SOURCE: Canon 430EX II flash... batteries A-OK. But flash

Hello

Thank you for using FixYa for your problem

Sounds like the flash tube has gone.

It should be taken to an authorized repair centre for a repair estimate.

Please rate our solutions and if you still have problems please call back for more ideas to help you

Thanks
Richard Scott
Technical Support
New Zealand

Posted on Dec 03, 2009

  • 173 Answers

SOURCE: How to restore factory settings

To reset the C.Fn settings on the flash just go into C.Fn mode and set each setting to 0.
If there is no C.Fn icon showing, the flash is at it's factory default setting.
Hope this helps :)

Posted on Mar 09, 2011

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1 Answer

The flash ratio between a master unit mounted on my Canon 5D Mark II and slave doesn't work properly. A couple of shots are fine but then all of sudden the slave unit fires ar full power, then a few week...


If you had the ATG Gold MG8k Flash Kim X3, then your 430EX II or 580EX II can transforms into wireless radio ATG ETTL II.

If you are using the outdated wireless IR ETTL with a 580EX II as a Master. Then you have to set the Slave (ATG/580EX II/430EX II) body facing close to the Master.

atdlee@netzero.com

May 20, 2014 | Canon Speedlite 580EX II TTL Flash

1 Answer

Speedlite 580 pilot light on but flash wont fire


More info needed: Will the flash fire when you push the test button? Have you rest the camera you're using to factory defaults while the flash is mounted on the camera and turned on?

Jan 06, 2014 | Canon Speedlite 580EX II TTL Flash

1 Answer

Canon 580exii speedlight, I want to only use the slaves, but they won't fire when I turn off the master


You didn't say what camera model you are using.
If you have 7D/60D/T4i you can have a total of 3 wireless ir flashes.

580EX II must be set at Master, say Group A & Channel 1
Two 270EX II must be set at Slave, say Group A & Channel 1
or
One 270EX II set at Group A & Channel 1
Second 270EX II set Group A & Channel 2


Then go into camera menu & turn off Master flash & turn settings for those two flashes.



Send me a email, then I can help you much better.

atdlee@netzero.com

Nov 17, 2012 | Canon Speedlite 580EX II TTL Flash

1 Answer

Can i use a Canon Speedlite 580 EX II for a canon 550D?


Yes. The 580EX II will work with any Canon digital SLR.

Nov 12, 2012 | Canon Speedlite 540EZ TTL Flash

1 Answer

My canon 580 EX II stops firing even with new batteries


You must disable the 580EX II form using the 4AA.

4AA must be needed when using hv power pack.

Just let the 4AA use & display the LCD panel.

More help, repairs & troubleshooting send me an email.

atdlee@netzero,com

Oct 21, 2012 | Canon Speedlite 580EX II TTL Flash

1 Answer

I have been using my Canon 580ex ii with my Canon 5d mark ii. It will not fire at all now. I also tried my old 420 ex speedlite and it will not fire either. But, they both work on my Canon 40d.


You can actually set the external flash not to fire in the menu settings of your camera. Check there or try mounting the flash on your camera, turn both on and reset your camera to factory default settings through your camera menu settings.

Oct 08, 2012 | Canon Speedlite 580EX II TTL Flash

1 Answer

Canon 580EX II Flash is not firing??


It could be the bad bulb. You need to replace the entire bulb assembly. Canon Speedlite 580EX II MYK Camera Camcorder Repair

Apr 22, 2017 | Canon Cameras

1 Answer

I need a manual for my canon 580ex flashgun


580EX:
http://downloads.canon.com/cpr/software/camera/580EX.pdf

580EX II:
http://downloads.canon.com/cpr/software/camera/Speedlite-580EXII.pdf

Jun 30, 2011 | Canon SPEEDLITE 580EX TTL Flash

1 Answer

Af assist on canon flash 580exii not working


check Custom Functions of Camera and Flash it can be turned off in both locations

Jun 13, 2009 | Canon Speedlite 580EX II TTL Flash

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