Monthly Archives: July 2014

Canon 7d – not working / ERR40

Posted on 2014. July 10. by canonrepair

Yesterday I have got the 9th piece of 7d, with this sympthomes (in 2 years). The problem has been caused by a loosen screw, which makes a short. In 3 cases (from this 9) the bottom DC / flash circuit … Continue reading →

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