Canon Powershot TX1 User Manual page 130

Communication error
The computer was unable to download the image due to the
large amount of images (approx. 1000) stored on the memory
card.
Lens error, restart camera
Camera detected an error while moving the lens and cut the
power automatically. This error message may appear if you
press on the lens while it is moving or turn on the camera in a
dusty or sandy environment. Turn on the camera again and
shoot or playback images. Take the camera to a service center if
this message appears frequently because there may be a
problem with the lens.
Exx
(xx: number) Camera detected an error. Turn the power off and
then back on, then shoot or play back. A problem exists if the
error code reappears. Note the number and contact your Canon
Customer Support Help Desk. If an error code displays directly
after taking a picture, the shot may not have been recorded.
Check image in playback mode.
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