Canon EOS 1D Mark II N Instruction Manual page 177

The camera turns off by itself.
Auto power off is in effect.
4
Set the <
(p.45)
Only the <c> icon blinks on the top LCD panel.
The battery is almost exhausted.
Recharge the battery. (p.22)
Shooting
No images can be shot or recorded.
The memory card is not properly installed.
Install the memory card properly. (p.30)
The memory card is full.
Use a new memory card or erase unnecessary images. (p.30,
130)
The battery is exhausted.
Recharge the battery. (p.22)
You did not focus well. (The focus confirmation light in the
viewfinder blinks. )
Press the shutter button halfway again and focus the subject. If
you still cannot focus properly, focus manually. (p.90)
The LCD monitor does not display a clear image.
The LCD monitor is dirty.
Use a soft, lens cloth to clean the screen.
The LCD's service life has expired.
Consult your nearest customer service center or dealer.
1
> switch to < > again or set auto power off to [Off].
Troubleshooting Guide
177