Canon SPEEDLITE 580EX II Instruction Manual page 51

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