Canon EOS-1D X Mark II DSLR Camera (Body Only) - Manual (Page 525)

525
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 code number and contact
your nearest Canon Service Center.
Error Codes
Number Error Message and Solution
01
Communications between the camera and lens is faulty. Clean the
lens contacts.
Î Clean the electrical contacts on the camera and lens, use a Canon
lens, or remove and install the battery again (p.25, 26, 47).
02
Card* cannot be accessed. Reinsert or replace card * or format
card * with the camera.
Î Remove and insert the card again, replace the card, or format the
card (p.49, 74).
04
Cannot save images because card* is full. Replace card*.
Î Replace the card, erase unnecessary images, or format the card
(p.49, 386, 74).
06
Sensor cleaning could not be performed. Turn the camera off and
on again.
Î Operate the power switch (p.53).
10, 20
30, 40
50, 60
70, 80
99
An error prevented shooting. Turn the camera off and on again or
re-install the battery.
Î Operate the power switch, remove and install the battery again, or
use a Canon lens (p.53, 47).
Error number
Cause and countermeasures