https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Err20-with-a-difference/m-p/376034#M88488 <P>Hi community,</P><P>Have a 5d III that locks up with an err20. But when I rest it a few weeks, it will surprisingly work again, and will fire for a few sessions, before locking, like its draining power..</P><P>It still has a &lt;&lt;50K shutter count, has never been water affected. Best guess its the shutter assembly (maybe the curtain driver)?</P><P>Interested if anyone has experienced anything similar, or know any good repairers (CA based) before I retire it to use as an expensive paper weight.</P><P>cheers,</P> Mon, 13 Jun 2022 03:28:19 GMT Puds71 2022-06-13T03:28:19Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Err20-with-a-difference/m-p/376034#M88488 <P>Hi community,</P><P>Have a 5d III that locks up with an err20. But when I rest it a few weeks, it will surprisingly work again, and will fire for a few sessions, before locking, like its draining power..</P><P>It still has a &lt;&lt;50K shutter count, has never been water affected. Best guess its the shutter assembly (maybe the curtain driver)?</P><P>Interested if anyone has experienced anything similar, or know any good repairers (CA based) before I retire it to use as an expensive paper weight.</P><P>cheers,</P> Mon, 13 Jun 2022 03:28:19 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Err20-with-a-difference/m-p/376034#M88488 Puds71 2022-06-13T03:28:19Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Err20-with-a-difference/m-p/376035#M88489 <P>At that level of usage, the 5DIII is worth making an effort to fix.&nbsp; I have one and it STILL takes great photos. I would suggest contacting Canon support on 1-800-OK-Canon and having a talk the tech people.&nbsp; They can also point you to the nearest certified repair facility.</P> Mon, 13 Jun 2022 03:32:52 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/Err20-with-a-difference/m-p/376035#M88489 Tronhard 2022-06-13T03:32:52Z