Error messages appear on the LCD monitor using the EOS 1D Mark IV.
Article ID: ART129490 | Date published: 05/12/2015 | Date last updated: 08/17/2015
 

Solution

If a problem occurs with the camera, an error message is displayed on the LCD.

If your camera displays an error screen like the one shown above, follow the displayed instructions to resolve the problem.

List of Error Messages & Solutions

Error code No. Message Solution
Err 01 Communications between the camera and lens is faulty. Clean the lens contacts. - Clean the electrical contacts on the camera and lens.
- Use a Canon lens.
- If the instructions above do not solve the problem, please contact your nearest Canon Service Center. (*1)
Err 02 Card *(*2) cannot be accessed. Reinsert/change card *(*2) or format card *(*2) with camera. - Remove and install the card again.
- Replace the card.
- Format the card. (*3)
Err 04 Cannot save images because card *(*2) is full. Replace card *(*2). - Replace the card.
- Erase unnecessary images on the card.
- Format the card. (*3)
Err 06 Sensor cleaning is not possible. Turn the camera off and on again. - Turn the power switch to < ON > to turn on the power again. - If the instructions above do not solve the problem, please contact your nearest Canon Service Center. (*1)
Err 10,20,30,40,
50,70,80,99
(*4)
Shooting is not possible due to an error. Turn the camera off and on again or re-install the battery. - Turn the power switch to < ON > to turn on the power again.
- Remove and re-install the battery.
- Use a Canon lens.
- Attempt to format the memory card. This will remove all data on the memory card.
- If the instructions above do not solve the problem, please contact your nearest Canon Service Center. (*1)

(*1) Please refer the IMPORTANT below.

(*2) A number indicating the location of the card slot appears in place of the asterisk (*).

1: CF card slot, 2: SD card slot

(*3) Please refer the CAUTION below.

(*4) Details of the error codes are as follows.

Error Code Error Details
Err 10 Malfunctions related to files have been detected.
Err 20 Malfunctions related to the mechanical mechanism have been detected.
Err 30 Malfunctions related to the shutter have been detected.
Err 40 Malfunctions related to the power source have been detected.
Err 50 Malfunctions related to the electric control have been detected.
Err 70 Malfunctions related to images have been detected.
Err 80 Malfunctions related to the electric control or images have been detected.

Important:

If the same error keeps appearing, there may be a problem. Write down the error code and consult your nearest Canon Service Center.

Attention:

When the card is formatted, all images and data in the card will be erased. Even protected images will be erased, so make sure there is nothing you need to keep. If necessary, transfer the images to a computer, etc., before formatting the card.

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