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Troubleshooting
172
■You Cannot Operate the Remote Control
The lamp has broken (or there is a
lamp malfunction).
Check whether the lamp has broken.
If the lamp has broken, follow the instructions in “Precau-
tions on the lamp” on page 19. If the lamp has not broken,
there may be a malfunction with the lamp. Check the lamp
by replacing it with a spare lamp if you have one. (P20,
P161, P162)
The operating temperature is
inappropriate.
Check whether the operating temperature is between 5°C
and 35°C. (P22)
If you use the projector at 2300 m or higher above sea level,
contact the Canon Customer Support Center.
Other reasons The projector may be damaged. Contact the Canon Cus-
tomer Support Center.
Cause Countermeasure
Batteries are not installed prop-
erly or they have run out.
Check whether batteries are installed correctly. If batteries
are installed correctly, replace them with new batteries.
(P24)
You are operating the remote con-
trol from the outside of the remote
control operating range.
Check whether you are operating the remote control within
the remote control operating range of the main unit of the
projector. (P26)
There is an obstacle between the
projector and the remote control.
Remove the obstacle between the infrared remote receiver
of the main unit of the projector and the remote control or
point the remote control to an obstacle-free path.
You are operating the remote con-
trol in an unsuitable operating
environment.
Check whether the infrared remote receiver of the main unit
of the projector is exposed to direct sunlight or strong light
of lighting apparatus. (P26)
The channel setting of the remote
control does not match the setting
of the projector.
Check whether the channel setting of the remote control
has been changed. You can check the [Remote control]
setting in the [System settings] menu. (P100)
The key lock function is prevent-
ing operation of the remote con-
trol.
Check whether [Key lock] is enabled to disable the remote
control operation.
In the System settings menu, set [Key lock] to [Off]. (P99)
Cause Countermeasure