Error 40??

Started Feb 28, 2012 | Discussions thread
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Turbo Hampster
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Error 40??
Feb 28, 2012

Was out with the 7d yesterday and suddenly got error 40 MSG on the top LCD. Turned it off took the battery out and then it was fine for a couple of mins but then went back to the error? Now any time I put in a battery even with the power switch off it shows error 40..

I've tried a hard reset 4 different batteries cf cards etc etc anyone know what the error 40 is?

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Canon EOS 7D Canon EOS-1D X Canon EF 50mm f/1.8 II Canon EF 400mm f/5.6L USM Canon EF 16-35mm f/2.8L II USM +5 more
Canon EOS 7D
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