Canon Speedlite 580EX II Instruction Manual page 51

Troubleshooting Guide
-
If there is a problem, refer to this Troubleshooting Guide.
*-
*am.
The batteries are installed in the wrong orientation.
b
Install the batteries in the correct orientation. (p.8)
The Speedlite's internal batteries are exhausted.
b
If the flash recycling time takes 30 sec. or longer, replace the
batteries. (p.8)
b Install the Speedlite's internal batteries even when you use ar
external power source. (p.8)
The Speedlite is not attached securely t o the camera.
b Attach the Speedlite's mounting foot securely to the camera.
I
The electrical contacts of the Speedlite and camera are d
b
Clean the contacts. (p.9)
T un&
does not
fire.
The slave's wireless mode is not set to
< - > .
b Set it to < - > . (p.36)
The slave unit(s) is not positioned properly.
b Place the slave unit within the master unit's transmission
rang
(p.38)
b
Point the slave unit(s)'s sensor toward the master unit. (p.38)
whe power
turns
off by Itself.
After 90 sec. of idle operation, auto power off took effect.
b Press the shutter button halfway or press the test firing buttor
(P.10)
The entins LCD
panel
blinks.
The wide panel has been pulled out for bounce flash.
b
Retract the wide panel. (p.20)