Error 20 1Dx MkII

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Blake Cook
Blake Cook Veteran Member • Posts: 3,029
Error 20 1Dx MkII

A couple of days ago my 1Dx MkII developed a mechanical clacking sound similar to a quiet shutter at about 12fps, but the mirror and I assume the shutter did not move. ERROR 20 called for turn of the camera, removal and replacement of the battery. That only worked if the battery was removed for about 20minutes. 30 or 40 shots latter the ERROR appeared again. The clacking only occur with a lens in place (I tried several). It would take a "photo" with no lens.

Has anyone run into this particular issue/clatter with ER20 before? What was the resolution?  I assume I need to send it to Canon, but I'm curious.

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Blake in Vancouver
Canon and Zeiss Stuff. Mac Stuff & annoying PC & Windows stuff.

 Blake Cook's gear list:Blake Cook's gear list
Canon EOS 5D Canon EOS 7D Mark II Canon EOS-1D X Mark II Canon EOS 5D Mark IV Sony a9 +14 more
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