moana_julien Posted February 25, 2006 Share Posted February 25, 2006 Hi, I had suddenly an amazing problem. An aperture of "00" appears on the LCD panel. No more focusingpossibility in AF neither in MF mode. I've tried with different lenses, removed the batteries and theproblem remains. On the LCD panel, MF remains even in AF mode. Can someone help me? Thanks. Link to comment Share on other sites More sharing options...
andrew robertson Posted February 25, 2006 Share Posted February 25, 2006 Remove the lens, clean the contacts on the lens and the body, replace the backup battery (the little one that you get to by unscrewing the small circular opening on the bottom - NOT the main one), switch the lens AF / MF switch sharply a few times, then try it again. Link to comment Share on other sites More sharing options...
jmf Posted February 25, 2006 Share Posted February 25, 2006 any gunk or corrosion where the lens to body contacts are? Don't use anything abrasive to clean, ignore any suggestion to use an eraser. If it does look gunked up, you can use kimwipes and a residue-less contact cleaner. Any chance the lens mount got seriously torqued on? If the contacts look good, and you've pulled all the batteries let the camera sit a few minutes, and re-installed them, then it's time to send it off to Canon. Link to comment Share on other sites More sharing options...
jimstrutz Posted February 26, 2006 Share Posted February 26, 2006 Use an eraser. Link to comment Share on other sites More sharing options...
jmf Posted February 26, 2006 Share Posted February 26, 2006 Those contacts for all practical purposes do not oxidize (which is why they go though the expense of plating them with gold) and so there's absolutley no reason to ever use an abrasive. Whats more, the plating is incredibly thin, highly polished and if you scratch through you WILL have oxidation problems, and whats worse, eraser bits floating around in an area you absolutly don't want foreign matter in. Back to the OP: Assuming you tried the battery tricks, your camera is broken and you need to send it to service. Link to comment Share on other sites More sharing options...
moana_julien Posted March 1, 2006 Author Share Posted March 1, 2006 Thanks for all your tips... I've tried everything you advice, but with no success. I think I have to take it back to Canon. I really wonder what happened. Thanks again all of you ! Link to comment Share on other sites More sharing options...
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