Canon 5D Mark III User Manual (en)

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371
If there is a problem with the camera, an 
error message will appear. Follow the on-
screen instructions.
* If the error still persists, write down the error number and contact your 
nearest Canon Service Center.
Error Codes
No.
Error Message & Solution
01
Communications between the camera and lens is faulty. Clean the 
lens contacts.
Î
Clean the electrical contacts on the camera and lens or use a 
Canon lens (p.15, 18).
02
Card * cannot be accessed. Reinsert/change card * or format 
card * with camera.
Î
Remove and insert the card again, replace the card, or format the 
card (p.31, 53).
04
Cannot save images because card * is full. Replace card *.
Î
Replace the card, erase unnecessary images, or format the card 
(p.31, 53, 277).
06
Sensor cleaning is not possible. Turn the camera off and on 
again.
Î
Operate the power switch (p.34).
10, 20,
30, 40,
50, 60,
70, 80,
99
Shooting is not possible due to an error. Turn the camera off and 
on again or re-install the battery.
Î
Operate the power switch, remove and install the battery pack 
again, or use a Canon lens (p.30, 34).
Error number
Countermeasures