Question about Canon EOS 400D / Rebel XTi Digital Camera with 18-55mm Lens

4 Answers

Built-in flash does not fire off

Hi,

I had just bought a new canon rebel xti and when I tried the flash, it does not fire off. The flash will pop up when in auto mode or if you push the flash button, but it just won't 'flash'. The busy flash symbol also comes up before taking a picture , and I noticed that the pictures I take (with the flash popped up) are dark, so the camera is assuming the flash is going off, but it's not. Also, I havent used any external on the camera as of yet.

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  • rd harris Apr 20, 2008

    same here. Bought my wife a new rebel xti and the flash won't fire at all with no errors or any indication why it wont fire.

  • Anonymous Jun 15, 2008

    The link that "solves" this problem doesn't really -- our flashes still pop up but don't flash. That solution is for flashes that don't even pop up.


  • jwsjohn01 Jun 20, 2008

    I have found a few links that describe how to fix the switches that control the deployment of the pop-up flash, but the problem that I haven't seen any solution for is:



    1. Flash will pop-up, but

    2. Flash will not fire

  • arjun_gaudel Aug 11, 2008

    same problem happen with me also . when i try to shoot picture built in flash does not fire.

  • oasd001 Dec 05, 2008

    I have the same problem described here, but on my EOS 40D (4months old). The flash pops up when exposure is too low (in any of the auto modes), but does not fire. Apparently, the camera expects the built-in flash to fire, since the exposure in the picture it takes is too dark.
    This also occurs in P mode. If I pop up the flash manually, it does not fire, although the exposure is obviously calculated with the flash.
    I reset all the custom function settings, turned the camera on/off many times, took battery and CF card out, and still have the same problem. Argh. I am pretty annoyed.


  • JReese Apr 30, 2013

    Just bought my wife a T3i and the flash pops up but doesn't fire, in ANY mode or setting. Tried removing the battery and chip for 20 minutes as some blogger suggested, tried resetting everything, tried holding down the flash as I shot, but nothing worked. I get the BUSY warning on screen, but no error codes. I set the wheel to Auto mode in dim room and the flash pops up to fire, but doesn't flash. Is there ANYTHING I can do outside of sending it in to be fixed? Would updating camera's firmware (It's at 1.04) do any good? TIA

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4 Answers

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Not really a solution, and about 3 years late :) my EOS400D also developed the same problem (however it was also coincidence that I had just updated to Firmware 1.1.1 (from 1.0.4), but basically the flash would pop up, but wouldn't fire (so not the standard problem with the microswitches), I found with a bit of forum searching that if you hold the flash down to almost clicking it in and then shoot it does actually fire. I am going to see how much it costs to get this fixed and will post what the actual fault is if I can understand the repairman.

Posted on Oct 30, 2010

  • JReese Apr 30, 2013

    Mooland, did you an understandable answer AND how much did the repair cost? TIA

  • Rosa Rose
    Rosa Rose Aug 20, 2013

    Mine is doing the exact same thing. How much did it cost?

×

The answer is here

http://photo.net/bboard/q-and-a-fetch-msg?msg_id=000xmg

i just followed the instructions and got it working. pop off the black metal cover, undo the screws (you may have to take the silver plate off entirely) and allow the black plunger switch free (on the site it suggests there are more than one plunger... my camera only has one on the right side) replace the silver foot, ensuring the plunger goes through the hole, and then pop the black plate back on. should work fine.

Posted on May 09, 2008

I have the same problem with the non-firing flash. My camera shows an error and tells me to turn it off and on again, but it doesn't help. How can we fix this problem?

Posted on Apr 20, 2008

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I've been having the same problem with my old Canon EOS 1000F. I only bought it last year, so obviously it's used. I can't get my head around this problem. It isn't going off in Beginner mode or P mode. As for the other modes, no luck either.

Once when I was at a show of my girlfriends I found that holding down the shutter on P mode so it took two shots, the flash would go off on the second and not the first. Of course, this is not convenient to anyone unless you want to only have half of the photos you could.

Posted on Mar 31, 2008

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Posted on Jan 02, 2017

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hi sneakers
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How to switch on Auto Flash in Auto mode


Put the camera in "P" and press the flash button above the lens release. If the flash pops, than you probably just have too much light to need it when you are in auto. The flash button is not active in auto so if the xti doesn't want the flash in auto, u can't make it fire. If the flash button does not make the flash pop in "P", search this site for another post about flash not working and u will find that this could be the flash deactivation button in the hot shoe sticking. Not likely though with a new camera unless u have had a speedlite mounted alot.--

I found the answer and fixed my flash. Look on http://photo.net/bboard/q-and-a-fetch-msg?msg_id=00ODWf

This will describe how, if you have been using a speedlite alot, than the little tab under the shutter release side of the hot shoe can get bent down thus constantly pressing down (toward the bottom of the camera) the small button which deactivates the pop-up1.gif flash even when the speedlite is not attached. Just bend the tab up a little with a jewler's screwdriver, turn the camera off and on and voila!! Fixed!!! Dan describes pushing the tab down, but on the xti, the tab needs to be bent up to release the flash deactivation switch and fix the problem. Thanks to Dan D on photonet for saving me a service call.

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