Error Code Problem
Err 01 Problem with the communication between the body and the lens
Err 02 Memory card error
Err 04 Memory Card Full
Err 05 Problem with the deployment of the built-in pop-up flash
Err 06 Problem with the self-cleaning sensor
Err 10 Problem with the files
Err 20 Problem with any mechanical mechanism
Err 30 Problem with the shutter
Err 40 Problem with the power source
Err 50 Problem with any electric control
Err 70 Problem with the images in memory
Err 80 Problem with the electric control of images
Err 99 Non-specific error

The only error codes that we, Canon users, can deal with are:

  • Error code 01: Remove lens and clean the contacts on both the camera and the lens
  • Error code 02: Replace the memory card with another one
  • Error code 04: Replace the memory card with an empty one
  • Error code 05: Make sure that there is enough space to deploy the built-in pop-up flash