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Canon 580EX II Flash is not firing??

Everything else works fine: fully charged batteries, buttons work, red sensor light blinks, screen light lights, pilot light light lights red-but when pressed, there is no test flash fired. Other things I tried: -Cleared out the external flash settings on my Canon 550D/EOS Kiss X4. -Used different lenses. Question: How Can I Fix It? I bought this lens used, and shipped with good packaging, so all in all if it still cannot fire flash, I'll just contact the seller and return it. But please don't let this be the reason to give up answering! Thanks for your help!

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  • 37 Answers

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

Posted on Apr 25, 2017

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6ya6ya

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Posted on Jan 02, 2017

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Anonymous

  • 4 Answers

SOURCE: camera does not fire external flash

Also be certain that the flash is screwed onto the shoe as tightly as possible.

Posted on Feb 28, 2009

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1 Answer

Flash not firing, pilot light not on but display is fine


Hi John,
If your problem has not been fixed or a solution not found yet then you may consider this. Flash units are built with many tiny parts; thus, when a single component malfunction, it will render the whole unit useless. You mentioned the pilot light is not working - that indicates that power is not flowing through the unit.
Check the filament of the unit - if you notice some brownish stain on either end of the tube, it indicates the filament has burned out. Changing the type of batteries won't make any difference.
the only option you have now is to service the flash unit

May 10, 2016 | Canon SPEEDLITE 580EX TTL Flash

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If you are using the outdated wireless IR ETTL with a 580EX II as a Master.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

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


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

Feb 08, 2014 | Canon SPEEDLITE 580EX 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

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

1 Answer

Quantum Turbo Battery pack not enough power.


Load 4AA with Energizer Lithium Batteries.
Set 580EX II's function to 12-0 and 05-0.
Make sure 5D's is not set to HSS.
No white dome parked on flash.
No bounce.
Set camera to "M" with max sync if you like, but 60 is fine.
Set F-Stop no greater than F5.6
Set ASA/ISO no lower than 200 but not over 1000.

If you need more assistance, contact Alzo Digital, CT, USA.
Asks for service & repair from ATG.

Apr 08, 2017 | Canon SPEEDLITE 580EX TTL Flash

2 Answers

Canon speed lite 580ex 11


I just got the 580 and had trouble with it blinking all the time, the bounce card was out about a mm and I did not realize it, once that was pushed all the way back--voila.

Jun 30, 2008 | Canon SPEEDLITE 580EX TTL Flash

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