Question about Cameras
This happened occasionally when the SLR camera was new four years ago; now happening almost all the time. When I click the shutter, I get an 'error 99' message telling me to turn the camera off and on again, or take the battery out and replace it. I use only a Canon 50mm f1.4 prime lens. The repair person says it's and 'error 231'. What's going on? It started happening from new, the camera hasn't been used all that much and very well looked after, and now mostly can't take photos. Not impressed - thought Canon were better than this.
If you have another lens, try it with that lens and see if it works properly. Many times ERR 99 is caused by a failure of either the circuit or the aperture unit in the lens.
Otherwise the most common cause usually is a faulty shutter.
Posted on Jan 19, 2013
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Posted on Jan 02, 2017
SOURCE: Canon error code 99
Your camera performs a quick 'integrity' check before each shot and goes into error 99 mode if the lens in incompatible or has a diaphragm problem. ( it will also display e99 if the shutter or flash unit is not ok but this does not apply here ). This is how you can check whether the diaphragm mechanism is ok : attach lens to your old camera and set camera to AV and set F stop to 16 . open back and release shutter and look through the back to see if your lens is closing to F 16. If it is closing fine then the lens is ok but is not compatible with your D400.
Posted on Sep 10, 2007
Same problem. At least for now, I solved problem, or at least camera is working again, by putting mode dial in "normal" (not A1) and holding down menu and down button (macro button) while turning camera on. Hope it works for you and continues to work for me.
Posted on Jun 27, 2009
SOURCE: Nikon Coolpix S202 "lens error"
This is probably THE single most common failure among digital cameras. There's a halfway chance of fixing it yourself, described here: http://camerarepair.blogspot.com/2007/12/fixing-lens-error-on-digital-camera.html
Posted on Feb 23, 2010
This blog explains the problem you're having, and things you can try to fix it.
They say about half the cameras can be fixed, trying their suggestions. Good luck, hope you're in the "fixed" half!
Posted on Jun 10, 2010
Your flex cable to the Iris is broken. Have a look at my gallery at http://www.pbase.com/barry_2718/efs1785mm I have the same symptoms. At 28 or 35mm it make work ok. try Av mode and f8 aperture to see if you get an err01 because the aperture does not move either. Sound like you may have been sold a dead lens I am afraid to say. There are lots of reports about this lens failing after 2 to 3 years of use.
Posted on Jun 24, 2010
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