alexandru_calcatinge Posted October 20, 2005 Share Posted October 20, 2005 Hy, I am new here and I'm trying to find some answers for my problem. I am an architect and the owner of a Canon EOS 300D with the EF-S 18-55mm and EF 75-300mm III USM. A few weeks ago my camera started to display the error message "C bC" every time I started it. can anyone tell me what the problem is? I would apreciate. Thanks a lot. Alex Link to comment Share on other sites More sharing options...
bennyboy Posted October 20, 2005 Share Posted October 20, 2005 <a href=http://www.photo.net/bboard/q-and-a-fetch-msg?msg_id=00CKuk>Search.</a> Link to comment Share on other sites More sharing options...
chrisjb Posted October 20, 2005 Share Posted October 20, 2005 G`day, not much in search maybe used the wrong words, did read something about, flat batts, date & time. check see if date & time hasn`t changed, maybe even the backup battery HTH Link to comment Share on other sites More sharing options...
William Kahn Posted October 20, 2005 Share Posted October 20, 2005 Per the manual: The date/time battery is exhausted. Replace it with a CR2016 lithium battery. 2 Link to comment Share on other sites More sharing options...
chris_taylor16 Posted February 15, 2022 Share Posted February 15, 2022 I kn ow this is old but figured to add as its good info. got the same error on my EOS 10D (2025 cell) at least in my case if this error comes up just tap the shutter button to make it go away and camera starts normally. IE camera is not out of service till its replaced. 1 Link to comment Share on other sites More sharing options...
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