Canon 80d Manual

481
If a problem occurs with the camera, first consult this Troubleshooting 
Guide. If this Troubleshooting Gu ide does not resolve the problem, 
contact your dealer or nearest Canon Service Center.
 If the battery’s remaining capacity is 94% or higher, the battery will not 
be recharged (p.452).
 Do not use any battery other than a genuine Battery Pack LP-E6N/LP-
E6.

If (1) the battery charger or battery has a problem or (2) communication 
with the battery failed (with a non-Canon battery), the...

Troubleshooting Guide
482
If the power is turned off while an image is being recorded to the card, the 
access lamp will remain on/continue to blink for a few seconds. When the 
image recording is completed, the power will turn off automatically.
Do not use any battery other than a genuine Battery Pack LP-E6N/LP-E6.
Remove and install the battery again (p.36).
 If the electrical contacts are dirty, use a soft cloth to clean them.
 Use a fully-charged battery (p.34).
 The battery performance may...

483
Troubleshooting Guide
The camera cannot be used with EF-M lenses (p.47).
 Install a recharged battery in the camera (p.34).
 Make sure if the card is properly inserted (p.37).
 Slide the card’s write-protect switch to the write/erase position (p.37).
 If the card is full, replace the card or delete unnecessary images to 
make space (p.37, 378).
 If you try to focus in the One-Shot AF mode and the focus indicator 
 in the viewfinder blinks, a picture cannot be taken. Press the 
shutter button...

Troubleshooting Guide
484
Set the lens’s focus mode switch to < AF> (p.47).
 Press the shutter button gently to prevent camera shake (p.49-50).
 If the lens has an Image Stabilizer, set the IS switch to < 1>.
 In low light, the shutter speed may become slow. Use a faster shutter 
speed (p.192), set a higher ISO speed (p.148), use flash (p.228, 233), 
or use a tripod.
 Depending on the attached lens, the number of usable AF points and 
patterns varies. The lenses are categorized into eight groups...

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Troubleshooting Guide
The continuous shooting speed may become slower depending on the 
shutter speed, aperture, subject conditions, brightness, lens, flash use, 
temperature, battery type, remaining battery level, shooting function 
settings, etc. For details, see page 139.
 Depending on the shooting conditions, it may take longer to focus on 
the subject. Use FlexiZone - Single or focus manually.
 If you shoot something that has fine detail such as a field of grass, the 
file size will be...

Troubleshooting Guide
486
Set [ z2: Auto Lighting Optimizer ] to [Disable]. When [Low], 
[ Standard ], or [High] is set, even if you set a decreased exposure 
compensation or flash exposure compensation, the image may come 
out bright (p.169).
 When the image-recording quality is set to  41 or 61 , the 
multiple-exposure image will be recorded in  1 quality (p.218).
 If you shoot at night when the background is dark, the shutter speed 
automatically becomes slow (slow-sync shooting) so that both the...

487
Troubleshooting Guide
If you use the built-in flash too often in too short a period of time, the 
flash may stop firing for a while to protect the light-emitting unit.
 If you use a non-Canon flash unit with Live View shooting, set [ z6: 
Silent LV shoot. ] to [Disable ] (p.272).
 If you use a flash unit other than an EX-series Speedlite, the flash will 
always be fired at full output (p.234).
 When the external Speedlite’s [ Flash metering mode] Custom 
Function is set to [ TTL] (autoflash), the...

Troubleshooting Guide
488
The built-in flash’s pop-up mechanism moves slightly. This is normal 
and not a malfunction.
 If you use flash, the shutter will make two shutter release sounds each 
time you shoot (p.257).
 It indicates that the camera’s internal temperature is high. If the white 
 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).
 It indicates that the...

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Troubleshooting Guide
In shooting modes other than < a>, the ISO speed is set 
automatically. In the < a> mode, you can freely set the ISO speed 
(p.299).
 ISO speed will be set according to the setting for [ Range for stills] 
during viewfinder shooting and Live View shooting, or that for [ Range 
for movies ] during movie shooting with manual exposure.
 If you change the shutter speed or aperture during movie shooting, the 
changes in the exposure may be recorded.
 Zooming the lens during movie...

Troubleshooting Guide
490
If the camera is connected to a computer, GPS receiver, or other 
device with an interface cable, wireless functions cannot be set ([ 51: 
Wireless communication settings ] will be grayed out). Disconnect 
the interface cable before changing any settings.
 Refer to the Wireless Function Instruction Manual.
 Set the < R> switch downward (lock release, p.54).
 Check the [ 54: Multi function lock ] setting (p.54).
 Check the [ 8C.Fn III -4: Custom Controls ] setting (p.433).
...