Have any of you experienced the "Error 20" problem?

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LaszloBencze
LaszloBencze Contributing Member • Posts: 815
Have any of you experienced the "Error 20" problem?

I had sent my 5D MK IV to CPS for a standard clean and check and received it a couple of days ago. After shooting about thirty frames, "Error 20" pops up and the camera freezes. It says "Turn camera off and on. Remove and replace battery." I did both things several times and the Error 20 persisted. The message even stayed on the back screen after I turned the camera off!

A quick Google search revealed that many other people have had the same problem and that it often persisted even after the camera was supposedly fixed by Canon. A few people had to send it in three times!

Fortunately CPS agreed to work on the problem and sent me a Fed Ex return at their expense. Obviously, I will be testing this camera with great diligence when it gets back to me.

Have any of you experienced this?

Canon EOS 5D Mark IV
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