Question about Canon SPEEDLITE 580EX TTL Flash
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.
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.
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
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.
Posted on Dec 21, 2007
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
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.
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Posted on Dec 03, 2009
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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