Question about Canon EOS 400D / Rebel XTi Digital Camera

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Error Code 05

When attempting to shoot using auto flash, I'm getting an error code (number changes but says the same thing): The built-in flash's auto pop-up was obstructed.

I've tried turning the camera on and off as it suggests. Sometimes it solves the problem - sometimes it doesn't. Camera is only a year old and is taken well care of. Help!!!???

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Re: Error Code 05

I do not think that it is a firmware issue. I had similar issue with the pop up flash (see here: and eventually I had to send it to the Service center. First they sent it back to me after cleaning the pop up flash assembly, which worked okay for a week. When it begin to happen again, I had send it again and this time they changed the assembly. Did not see the same problem again.

Posted on Mar 28, 2008

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Re: Error Code 05

Just because you've turned the camera off/on, doesn't mean it's been reset. This is a fairly easy procedure which involves either going into your setup menu and choosing "reset," holding down the menu key for 5 seconds, or, removing the batteries for a few minutes. It may be that the firmware loading got corrupted and the camera just needs to be "rebooted," which is something that turning it on/off won't accomplish. But after which, you should have the camera reset to factory default settings.

Another tip is to go to Canon's website and look for firmware updates. Download and install them.

Err 05 is when the internal flash is obstructed or the camera doesn't get an reply that the flash open sucessfuly. That should be covered in warranty if its an faulty "pop up flash." Call Canon at 1-800-OK-Canon or Email them at:

Talk to them and they will give you a more in depth stuff.

J. DeRuvo
Digital Camera HQ

Posted on Dec 04, 2007

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