Troubleshooting Guide - Canon Speedlite 470EX-AI Instruction Manual

Troubleshooting Guide

If a problem occurs with the flash, first refer to this Troubleshooting
Guide. If this Troubleshooting Guide does not resolve the problem,
contact your dealer or nearest Canon Service Center.
Normal Flash Photography
The power does not turn on.
Make sure the batteries are installed in the correct orientation (p.18).
Make sure the battery compartment cover is closed (p.18).
Replace the batteries with new ones.
The Speedlite does not fire.
Insert the mounting foot into the camera's hot shoe all the way, slide
the lock lever to the right, and secure the Speedlite to the camera
(p.20).
If the <G> indication remains displayed for approx. 30 sec. or
longer, replace the batteries (p.18).
If the electrical contacts of the Speedlite or camera are dirty, wipe
the contacts (p.10) with a dry cloth, etc.
When you perform continuous firing repeatedly over a short period
of time, causing the temperature of the flash head to rise and flash
firing to be restricted, the firing interval increases (p.96).
The power turns off by itself.
The Speedlite's auto power off has been activated (p.22). Press the
camera's shutter button halfway or press the Speedlite's test flash
button (p.21).
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