Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 596)

596
Troubleshooting Guide
The access lamp still lights or blinks even when the power
switch is set to <
2
>.
 If the power is turned off while an image is being recorded to the card, the
access lamp will remain on or continue to blink for a few seconds. When
the image recording is complete, the power will turn off automatically.
[Does this battery/do these batteries display the Canon logo?] is
displayed.

Do not use any battery other than genuine Canon Battery Pack LP-E6N/
LP-E6.

Remove and install the battery again ( = 47).

If the electrical contacts are dirty, use a soft cloth to clean them.
The battery becomes exhausted quickly.

Use a fully charged battery ( = 44).

The battery performance may have degraded. See [
5
: Battery info.] to
check the battery’s recharge performance level ( = 524). If the battery
performance is poor, replace the battery with a new one.

The number of possible shots will decrease with any of the following
operations:

Pressing the shutter button halfway for a prolonged period.

Activating the AF frequently without taking a picture.

Using the lens’s Image Stabilizer.

Using the screen frequently.

Continuing Live View shooting or movie recording for a prolonged period.

Using the wireless communication functions.
The camera turns off by itself.

Auto power off is in eff ect. To deactivate auto power off , set [
5
: Auto
power off ] to [Disable] ( = 513).

Even if [
5
: Auto power off ] is set to [Disable] , the screen will still turn
off after the camera is left idle for approx. 30 min. (The camera’s power
does not turn off .)
The camera does not work with AA/R6 batteries in the battery grip.

Reinstalling the battery magazine and restarting the camera may restore
camera operation.