Error Codes - Canon EOS 50D Instruction Manual

Error Codes

Error No.
Countermeasures
If the same error keeps appearing, there may be a problem. Write
down the error code and consult your nearest Canon Service Center.
No.
Communications between the camera and lens is faulty. Clean the
lens contacts.
Err 01
Clean the electrical contacts on the camera and lens, use a Canon
lens, or have the camera or lens checked or repaired. (p.13,16)
There is a problem with the card. Replace the card.
Err 02
Remove and install the card again, replace the card, or format the
card. (p.29, 43)
Cannot save images because the card is full. Replace the card.
Err 04
Replace the card, erase unnecessary images, or format the card.
(p.29, 144, 43)
The built-in flash's auto pop-up was obstructed. Turn the power
switch to <2> and <1> again.
Err 05
Operate the power switch. (p.27)
Self Cleaning Sensor Unit malfunction. Consult with Canon
Service Center.
Err 06
Operate the power switch or have the camera checked or repaired.
(p.27)
Shooting is not possible. Turn the power switch to <2> and
<1> again or re-install the battery.
Err 99
Operate the power switch, remove and install the battery again, use
a Canon lens, or have the camera checked or repaired. (p.27,26)
If there is a problem with the camera, an
error message appears. Follow the on-
screen instructions.
To recover from the error screen, turn the
power switch <2> and <1>, or
remove and reinstall the battery.
If error 02 (Card problem) is displayed,
remove and reinstall the card or format the
card. This may resolve the problem.
Error Message & Solution
201