Question about Canon EOS 400D / Rebel XTi Digital Camera

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Aaaaaaaaflash not firing with fresh batteries

My canon 430ex speedlite is charging, the pilot light is coming on, but the flash is not firing.

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Top cover is not communicate with external flash you need to replace top cover and try flash it should work

Posted on Aug 08, 2010

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If you try new batteries and that does not solve the problem then the problem is with the flash circuit. The flash draws most of the power because it is Xenon. If the flash isn't working, then the battery should last long and this will tell you that the flash circuit is the problem. The problem might be due to a cold solder or a bad component. But I'm pretty sure that the flash itself is good. Fixing it would cost you around $100. I wish I could do some wand trick to solve the problem but there ain't no easy fix for this. If you have any other queries then I would be glad to assist you further.

Posted on May 29, 2010

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Posted on Jan 02, 2017

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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

leorcid
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SOURCE: I have a canon digital rebel xt with a speedlite

In auto mode, the flash works only if it is necessary. You are saying that the flsah doesn't work in auto mode, and I assume that in other modes it's working properly. That means there is nothing wrong with the flash. So don't worry about the flash, it will fire in necessary, in full auto mode.

Posted on Dec 21, 2009

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SOURCE: My Canon 60D's internal flash

I encountered this same issue on new 60D. There is a micro switch under a guide blade in the shoe on the right side. Mine was not stuck down but bent just enough downward that the switch was being actuated. I used a pointed pocket knife blade to pry up on the guide blade making it arch slightly upward and everything is fine now. Now i wonder is this going to be a problem every time i mount and unmount my external flash. Time will tell.

Posted on Dec 19, 2010

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Related Questions:

1 Answer

Speedlite 430EX II pilot red light wont turn off wont fire


Try mounting the flash on your camera, turn both on and reset your camera to factory default settings in your camera menu settings.

Feb 13, 2013 | Canon Speedlite 430EX TTL Flash

1 Answer

My canon speedlite 430ex does not charge up, batteries are new and rear screen works/lights up any ideas?


Sounds like an internal wiring circuit problem. It's strange that the screen lights up but the flash doesn't charge. You should probably get it checked by Canon.

Feb 11, 2013 | Canon Speedlite 430EX TTL Flash

1 Answer

Just got a Canon 7D. Attached my 430EX to the hot shoe and it won't fire. Tried new batteries and checked the contacts, and it still won't work. Put th 430EX back onto my Rebel XTI, where it has always...


Make sure you using flash grade batteries and not rechargables. try energiser ultra or litiums or duracelll plus but nothing else. if the charge light is not coming up then most likely batteries. I would take it to your local camera shot and test your 7d with one of thier 430 just to make sure the hotshoe didnt short out the flashgun

Feb 21, 2011 | Canon Speedlite 430EX TTL Flash

1 Answer

Speedlite 430ex, pilot light on, flashes when I hit the pilot, but will never fire when taking a picture....the "ready" light below the red pilot light never turns on


Typically, it means your batteries are low but I am sure that you know that already.
The next cause is a mechanical failure. The flash has capacitors that **** up the battery power until they have a full charge and the trigger the ready light. Therefore, if your batteries are good then it is likely that the capacitors are disconnected or have failed. Eitherway, you will most likely have to send it out to a Canon service center. You can find service centers at www.canonusa.com.

I hope this helps. Good luck!

Jan 16, 2011 | Canon Speedlite 430EX TTL Flash

1 Answer

Canon 430EX II flash... batteries A-OK. But flash doesn't fire... tried pilot... doesn't work


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

Dec 02, 2009 | Canon Speedlite 430EX TTL Flash

2 Answers

The flash won't fire, and the pilot light won't come on. I've tried new batteries, and that doesn't work. The little LCD screen does have power. I'm wondering if I blew the strobe. Thanks!


Hey i have a 430ex mk1 which when turned on did not fire and red pilot light did not show , i have had the flash since 2006,

i have also tired new batterys and the LCD Light works and the Txt shows up,

did you work out the problem and also how to fix it?

thanks

rick

email

psnp@hotmail.co.uk




Oct 05, 2009 | Canon Speedlite 430EX TTL Flash

1 Answer

Same issue!


CENTER POINT &SIDE OF THE FLASH FOR OPEN FIRE

Jul 12, 2009 | Canon Speedlite 430EX TTL Flash

1 Answer

430EX won't fire.


Can you short the pins to have the flash fired?a.l9609@gmail.com

May 27, 2009 | Canon Speedlite 430EX TTL Flash

1 Answer

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?

Jan 24, 2009 | Canon Speedlite 430EX TTL Flash

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