Category Archives: Canon camera

Canon 5d MkII – error code 20 : shutter…


… or not the shutter?!? One of my customers has a 5d MkII. Time to time the camera stopped working with error code 30 after shooting. This is a general error code: “ Err 30Description: A malfunction with the shutter … Continue reading

Posted in 5d2, Canon camera, shutter | 2 Comments

Canon 7d – ERR20 – again and again


This 7d has been repaired a few months ago with an ERR20 error code after each shooting. ERR20 could mean many different problems, here is he internal ode: Interesting is, that, the internal error 215 is Mirror position problem, as … Continue reading

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7d flash overexposure – RTFM, RTFM, and again: RTFM


I repaired a 7d for somebody (a faulty rotary switch, and a general internal cleaning, with glueing the flying screw, which was of course on the side of the shutter motor), and after assembling it I checked the general functions … Continue reading

Posted in 40d, 7d, Canon camera, flash/strobe | Leave a comment

Melted canon 6d – or any DSLR exposed to sun


A customer has sent me an email with a strange problem: he has seen something blurred in the viewfinder of a 6d, after which he turned off the lens, and a burned smell came out. He has 2 similar 6d … Continue reading

Posted in 6d, Canon camera, melted | 6 Comments

Canon 7d – ERR20


After exposure, ERR20 – shooting is not possible message. This means some mechanical failure. Official Canon advice: “Err 20 Description: A malfunction with the mechanical mechanism has been detected. Resolution: Turn the power off, then remove and re-install the battery. … Continue reading

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Canon 40d motor revival in the body of a 7d


This is a story about my own 7d, which has been flooded with water, before I have purchased it “as it is”, practically not working. I repaired it in a few hours -worked well after.After a certain time stopped working, … Continue reading

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5d with damaged shutter…. or MIRROR!


I have got an old 5d from a customer with the definite wish to change the shutter. As the body had more than 380000 exposures, I have replaced the shutter on a brand new one. After assembly, the mirror blocked … Continue reading

Posted in 5d | 3 Comments