Troubleshooting Guide; Booklet - Canon EOS-3 Instructions Manual

1. Troubleshooting Guide

If there is a problem, first refer to this Troubleshooting Guide. If the
problem still persists, take the camera to your nearest Canon Service
Center. Canon Service Centers are listed on the back of this booklet.
Problem
Nothing is
displayed on
the LCD panel.
The film does
not load.
A Custom
Function
cannot be set.
AF does not
work.
128
Probable Cause
No battery has been
installed.
The battery is exhausted.
The battery has been
installed incorrectly.
< > is not on.
Film has not been loaded
properly. ( blinks on the
LCD panel.)
The < > switch is not on.
The < > switch has been
set to .
< > switch is not on.
The lens focus mode has
been set to MF (or M).
Custom Function CF-4 has
been set to 1 or 3.
Solution
Set the < > switch to
Replace the battery with a new
one.
Load the battery correctly.
Set the < > switch to
Load the film correctly.
Set the < > switch to
Set the < > switch to
Set the < > switch to
Set the lens focus mode to AF (or
A).
Set Custom Function CF-4 to 0.
Page
. 16
21
22
21
. 16
24
25
. 16
. 19
. 16
23
104