topic Re: Error 01 message in EOS DSLR & Mirrorless Cameras https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Error-01-message/m-p/20589#M7171 <P>The 2 out of 10 times it did work...did it work at all focal length or only at a certain focal length? &nbsp;For example if it worked at 75-mm to 100mm but you'd get Error 01 above that. &nbsp;If this is true, it is most likely that part of the electrical flex cable has broken off after repeated zooming. &nbsp;This is a common problem with Canon lenses.</P><P>&nbsp;</P><P>Some people have successfully repaired this themselves with replacement part but it involves completely disassembly of the lens...a tough job for most people. &nbsp;I recommend sending it in for a repair quote...</P> Sun, 14 Apr 2013 15:51:01 GMT diverhank 2013-04-14T15:51:01Z Error 01 message https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Error-01-message/m-p/20581#M7170 <P>almost everytim I want to use the 75-300mm lens, the Error 01 message comes up. &nbsp;I've cleaned the connection. Rebooted the camera. &nbsp;8 x out of 10 it won't work. Suggestions?&nbsp;</P> Sun, 14 Apr 2013 13:57:04 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Error-01-message/m-p/20581#M7170 SavageHartFarm 2013-04-14T13:57:04Z Re: Error 01 message https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Error-01-message/m-p/20589#M7171 <P>The 2 out of 10 times it did work...did it work at all focal length or only at a certain focal length? &nbsp;For example if it worked at 75-mm to 100mm but you'd get Error 01 above that. &nbsp;If this is true, it is most likely that part of the electrical flex cable has broken off after repeated zooming. &nbsp;This is a common problem with Canon lenses.</P><P>&nbsp;</P><P>Some people have successfully repaired this themselves with replacement part but it involves completely disassembly of the lens...a tough job for most people. &nbsp;I recommend sending it in for a repair quote...</P> Sun, 14 Apr 2013 15:51:01 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Error-01-message/m-p/20589#M7171 diverhank 2013-04-14T15:51:01Z