Error codeErr 99
Err 99 means an error other than the above has occurred. The manual's first action is: “Remove and re-install the battery. This error may occur if you use a non-Canon lens and the camera or lens does not operate properly.”
- Model
- Canon EOS 20D
- Display shows
- An error other than the above has occurred (Err 99)
- Type
- Error code
- Source
- Manual p. 153
What Err 99 means
An error other than the above has occurred p. 153
Common causes
- An error other than the above has occurred. p. 153
What to do
- Remove and re-install the battery. This error may occur if you use a non-Canon lens and the camera or lens does not operate properly. p. 153
If Err 99 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Canon service.
This page summarises what the manufacturer’s manual says about Err 99; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Canon. Found a mistake? Report an error.