Canon EOS 4000D Instruction Manual page 288

Troubleshooting Guide
High-speed sync cannot be set in the <f> mode.
Under [53: Custom Functions (C.Fn)], set [3: Flash sync. speed in

Av mode] to [0: Auto] (p.259).
The camera makes a noise when it is shaken.
A small noise may be heard when the camera's internal mechanism

moves slightly. This is not a malfunction.
The shutter makes two shooting sounds during Live View shooting.
If you use flash, the shutter will make two sounds each time you shoot

(p.139).
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.155).
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.179).
Movie shooting stops by itself.
If the card's writing speed is slow, movie shooting may stop

automatically. Use an SD Speed Class 6 "
find out the card's writing/reading speed, refer to the card
manufacturer's website, etc.
If a movie clip's file size reaches 4 GB or the shooting length reaches

29 min. 59 sec., the movie shooting will stop automatically.
288
" or faster card. To