Question about Canon EOS 7s 35mm SLR Camera

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Canon EOS 7D stuck at Error 30 - Canon EOS 7s 35mm SLR Camera

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I read on a forum that you can reset the shutter by gently hitting the camera at the bottom with the heel of your hand. This does actually work for me whereas the removal of the battery etc. as advised by Canon didn't do anything.
I have had the problem for a few days now, occurring about once a day. These few days have been quite heavy shooting days, about 500 shots a day. It seems to happen more or less first thing in the morning and, once I have freed it by the method above, it behaves for the rest of the day. However I feel that it will probably get worse and fail altogether eventually so I am still looking for a better solution.

Posted on Oct 21, 2011

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Per Canon, the error is as follows:

Err 30: A shutter malfunction has been
detected.

Canon's recommendation:
-Turn the power switch to <ON> to turn on the
power again.
-Remove and re-install the battery.
-Use a Canon lens.
-If the instructions above do not solve the
problem, please contact your nearest Canon
Service Center.

Posted on Apr 28, 2010

  • losthed Jun 04, 2010

    The irony to this is that I am now getting this error on my 7D as well. It is intermittent and I am able to clear it by pulling the battery, but it often returns in a shot or two. I suppose I will be calling Canon.

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