Canon eos rebel T2i - Manual (Page 224)

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If there is a problem with the camera, an
error message will appear. Follow the on-
screen instructions.
* If the error still persists, write down the error No. and contact your nearest
Canon Service Center.
Error Codes
No. Error Message & Solution
01
Communications between the camera and lens is faulty. Clean the
lens contacts.
Î Clean the electrical contacts on the camera and lens and use a
Canon lens (p.13, 16).
02
Card cannot be accessed. Reinsert/change card or format card
with camera.
Î Remove and insert the card again, replace the card, or format the
card (p.31, 42).
04
Cannot save images because card is full. Replace card.
Î Replace the card, erase unnecessary images, or format the card
(p.31, 171, 42).
05
The built-in flash could not be raised. Turn the camera off and on
again.
Î Operate the power switch (p.27).
06
Sensor cleaning is not possible. Turn the camera off and on
again.
Î Operate the power switch (p.27).
10, 20,
30, 40,
50, 60,
70, 80
Shooting is not possible due to an error. Turn the camera off and
on again or re-install the battery.
Î Operate the power switch, remove and install the battery pack
again, or use a Canon lens (p.27, 26)
Error No.
Countermeasures
COP
Y