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Infobank

Camera settings: EOS Error codes and messages

When using your EOS camera you may occasionally get an error code or message appearing on the camera’s LCD screen. Most of these errors can be quickly and easily resolved – the various EOS error codes and messages are described below with information that should assist you in resolving your issue.

EOS Error codes

Err 01

Description: The communication between the camera and lens is faulty.

Resolution: Very gently clean the electrical contacts (highlighted in red) on the camera and the lens using a clean and dry cloth.

CAUTION

When cleaning the contacts take the following precautions:

  • Do not wipe the contacts with a wet cloth.
  • Do not touch the contacts directly with your hands. Touching them with your hands could cause corrosion, which would cause the camera to become inoperable.
  • When cleaning the contacts on the lens side, be careful not to damage the lens surface.

Err 02

Description: The camera cannot access the memory card.

Resolution:

  1. Remove and re-install the memory card.
  2. Format the memory card as described in the user manual. The user manual for your EOS camera can be downloaded by clicking here for the Canon Europe EOS camera support page.
  3. If formatting the memory card does not resolve the error please replace the memory card.

Err 03

Description: There are too many folders on the memory card.

Resolution: Replace the memory card with a formatted Compact Flash memory card.

Err 04

Description: Images cannot be saved because the memory card is full.

Resolution:

  1. Erase any unnecessary images on the memory card.
  2. Format the memory card as described in the user manual. The user manual for your EOS camera can be downloaded by clicking here for the Canon Europe EOS camera support page.
  3. If formatting the memory card does not resolve the error please replace the memory card.

Err 05

Description: The built-in flash could not be raised.

Resolution: Turn the power switch off and then on again.

Err 06

Description: The sensor cleaning is not possible.

Resolution: Turn the power switch off and then on again.

Err 10

Description: A malfunction with the files on the memory card has been detected.

Resolution: Turn the power off, then remove and re-install the battery. Then turn the power on again.

Err 20

Description: A malfunction with the mechanical mechanism has been detected.

Resolution: Turn the power off, then remove and re-install the battery. Then turn the power on again.

Err 30

Description: A malfunction with the shutter has been detected.

Resolution: Turn the power off, then remove and re-install the battery. Then turn the power on again.

Err 40

Description: A malfunction with the power source has been detected.

Resolution: Turn the power off, then remove and re-install the battery. Then turn the power on again.

Err 50

Description: A malfunction related to the electric control has been detected.

Resolution: Turn the power off, then remove and re-install the battery. Then turn the power on again.

Err 60

Description: An error occurred preventing shooting, the lens movement may be obstructed.

Resolution: Check that the lens is clear from obstructions. Then turn the power switch off and then back on again.

Err 70

Description: A malfunction with the images has been detected.

Resolution: Turn the power off, then remove and re-install the battery. Then turn the power on again.

Err 80

Description: A malfunction with the electric control or images has been detected.

Resolution: Turn the power off, then remove and re-install the battery. Then turn the power on again.

Err 99

Description: This is a general error that can occur because of several different reasons.

Resolution:

  1. Turn the power off and remove then re-install the battery.
  2. Turn the power on again.
  3. Very gently clean the electrical contacts (highlighted in red) on the camera and lens using a clean and dry cloth.
  1. Very gently clean the electrical contacts on the camera and flash using a clean and dry cloth.

CAUTION

When cleaning the contacts take the following precautions:

  • Do not wipe the contacts with a wet cloth.
  • Do not touch the contacts directly with your hands. Touching them with your hands could cause corrosion, which would cause the camera to become inoperable.
  • When cleaning the contacts on the lens side, be careful not to damage the lens surface.

EOS Error messages

AC - Error Message

Description: The imaging element corresponds to the film in a film camera. If dirt or foreign matter gets on this imaging element, black spots may be recorded on the corresponding part of the image. If this happens, clean the imaging element.

Resolution: When performing the required cleaning, always connect the EOS camera to a household power outlet using the DC coupler.

If you try to clean the imaging element while the battery back is installed in the camera, the cleaning warning message ‘AC’ will blink on the camera’s LCD panel and you will not be able to clean the imaging element.

Instructions on cleaning the imaging element can be found in the user manual. The user manual for your EOS camera can be downloaded by clicking here for the Canon Europe EOS camera support page.

bu59 / bu54 / buSY / busy

Description: If the message bu59, bu54, buSY or busy is displayed on the camera, it could mean one of the following things:

  • The flash is recycling. If you shoot 20 images with flash at short intervals, the flash might stop operating. This is to protect the flash unit.
  • Continuous Shooting has occurred. This indicates that the camera's buffer memory is full and shooting cannot continue.
  • The EOS camera is connected to a PC, Mac or printer

Resolution:

  1. If you press the shutter button halfway and the message is displayed in the viewfinder and/or on the LCD monitor, wait until the display turns off. This gives time for either the flash to recycle or the buffer memory to clear, enabling full use of the camera again.
  2. If the camera is connected to a PC, Mac or printer, disconnect before attempting to use.

NOTE: Please do not switch off your EOS camera while ‘buSY’ is shown. This may cause problems with the EOS camera or Compact Flash card.

Battery level is too low. Cannot clean sensor

Description: There is insufficient battery power causing the shutter to close during the cleaning of the image sensor and the shutter curtains, resulting in possible damage to the image sensor.

Resolution: Either use a fully-charged battery or a household power outlet before starting to clean the image sensor.

Cannot play back image

Description: The message ‘Cannot playback image’ appears when attempting to play back images on the camera. This error can occur for the following reasons:

  • You are trying to play back images captured with a non-Canon camera.
  • Images in the memory card have been imported to a computer and rotated or edited and then written back to the memory card.
  • The memory card is malfunctioning.

Resolution:

  1. Import the images to a computer and check if they can be displayed.
  2. If you have multiple memory cards, format another memory card and take some test shots.

If images can be played back normally, the card that shows the error message may be malfunctioning. In this case, format the memory card, as described in the user manual. The user manual for your EOS camera can be downloaded by clicking here for the Canon Europe EOS camera support page.

CbC

Description: This is a warning regarding the date/time battery level. The date/time battery maintains the camera's date and time. When the date/time battery's power is low, ‘CbC’ will appear on the LCD panel.

Resolution: Replace the date/time battery with a new battery as described in the user manual. The user manual for your EOS camera can be downloaded by clicking here for the Canon Europe EOS camera support page.

CLEAn / CLn / CCd

Description: The image sensor is like the film in a film camera. If any dust gets on the image sensor, it may show up as a dark speck on the images. The mirror will lockup and the shutter will open, ‘CLEAn’ or ‘CLn’ will then blink on the LCD panel.

Resolution: Turn the power switch off and then on again to automatically activate the sensor cleaning function.

Alternatively you can manually activate the sensor cleaning function as follows:

  1. Under the Set-up tab of the menu, select ‘Sensor Cleaning’; then press the SET button.
  2. Turn the Quick Control Dial Dial to select ‘Clean Now’ and press the SET button.
  3. Select ‘OK’ and press the SET button. The screen will indicate cleaning and there will be a shutter sound but no picture will be taken.

ErrCF / CardErr / Folder number full

Description: If the folder number reaches 999 and the file number reaches 9999, this error message appears even if there is space remaining on the card.

Resolution:

  1. Remove and re-insert the memory card.
  2. Try using a different memory card.
  3. If possible transfer all images on the card to a computer and then format the card with the camera. The card may then return to normal.
  4. Replace with a new Compact Flash memory card. When a newly formatted Compact Flash card is installed, the folder number starts from 100 and the image file number starts from 0001.

FullCF / CardFull / CF Card Full

Description: No images can be shot or recorded.

Resolution:

  1. If the Compact Flash memory card is full, erase any unnecessary images.
  2. If erasing images has not resolved the error, please replace with a new Compact Flash memory card.

L - Error Message

Description: If the [LOCK] switch is set to the right and you try to use one of the locked camera controls, ‘L’ will be displayed in the viewfinder and on the LCD panel. On the shooting settings display [LOCK] will be displayed.

Resolution: Set the [LOCK] switch to the left to release it and enable the functions.

No CF / No CF Card / No Card in Camera

Description: This message can be displayed for the following reasons:

  • If there is no Compact Flash memory card installed and you press the shutter button.
  • If there is no Compact Flash memory card installed and you start the camera.
  • If there is no Compact Flash memory card installed and you try to format the card.

Resolution: Insert a Compact Flash memory card.


If any of the above solutions have not resolved the errors with your EOS camera please contact your nearest Canon authorised service facility by clicking here.