Canon 580EX - Speedlite II - Hot-shoe clip-on Flash Instruction Manual page 50

Troubleshooting
Hare a prahlem? See the table below.
The Speedli#e does not detach from the camera .
c: The mounting foots locking pin has not been retracted .
Loosen the locking ring all the way before detaching the Speedlite . (p.9)
The Speedliie does not fire,
~~ The batteries are installed in the wrong orientation.
~ Install the batteries in the correct orientation . (p.8)
The Speedliie's infernal batteries are exhausted .
j. If the flash recycling time is 30 sec . or longer, replace the batteries. [p.8]
Install the Speedlite's internal batteries even when you use an external
power source. (p,8)
A Attach the Speed lite securely to the tamers .
Attach the Speedlite's mounting foot securely to the camera . (p.9)
The electrical c o n t a c t s of the Speed lite and camera are dirty.
1 Clean the contacts . (p.9)
The slave unit does not fire .
0 The slave's wireless selector is not set to < SLAVE> .
o~ Set it to <SLAVED. (p .34)
a The slave unit is not positioned properly.
Place the slave unit within the master units transmission range . [p .35]
P,
Point the slave units sensor toward the master snit . [p .35]
Th e
p o w e r turns off by . itself .
,D After 90 sec. of idle operation, auto power off took effect .
a- Press the shutter button halfway or press the test firing button . (p .10)
The entire LCD panel blinks .
r The wide panel has been pulled out for bounce flash.
s Retract the wide panel. (p .20)
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