Error Codes - Canon EOS-1DX Instruction Manual

Error Codes

Error number
Countermeasures
Number
Communications between the camera and lens is faulty. Clean the
lens contacts.
01
Clean the electrical contacts on the camera and lens or use a
Canon lens (p.15, 18).
Card * cannot be accessed. Reinsert/change card * or format
card * with camera.
02
Remove and insert the card again, replace the card, or format the
card (p.35, 55).
Cannot save images because card * is full. Replace card *.
04
Replace the card, erase unnecessary images, or format the card
(p.35, 55, 286).
Sensor cleaning is not possible. Turn the camera off and on
again.
06
Operate the power switch (p.38).
10, 20, Shooting is not possible due to an error. Turn the camera off and
30, 40, on again or re-install the battery.
50, 60,
Operate the power switch, remove and install the battery pack
70, 80,
again, or use a Canon lens (p.34, 38).
99
* If the error still persists, write down the error number and contact your
nearest Canon Service Center.
If there is a problem with the camera, an
error message will appear. Follow the on-
screen instructions.
Error Message and Solution
401