Canon EOS 80D Instruction Manual page 488

Troubleshooting Guide
The camera makes a noise when it is shaken.
The built-in flash's pop-up mechanism moves slightly. This is normal

and not a malfunction.
The shutter makes two shutter release
sounds during Live View shooting.
If you use flash, the shutter will make two shutter release sounds each

time you shoot (p.257).
During Live View shooting, a white <s> or
red <E> icon is displayed.
It indicates that the camera's internal temperature is high. If the white

<s> icon is displayed, the still photo's image quality may deteriorate.
If the red <E> icon is displayed, it indicates that the Live View
shooting will soon stop automatically (p.290).
During movie shooting, a red E icon is displayed.
It indicates that the camera's internal temperature is high. If the red

<E> icon is displayed, it indicates that the movie shooting will soon
stop automatically (p.343).
Movie shooting stops by itself.
If the card's writing speed is slow, movie shooting may stop

automatically. For cards that can record movies, see page 5. To find
out the card's writing speed, refer to the card manufacturer's website.
If the movie shooting time reaches 29 min. 59 sec., the movie shooting

will stop automatically.
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