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Troubleshooting
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Symptoms and Solutions
■You Cannot Turn on the Projector
■You Cannot Project an Image from the Projector
WARNING
(only) flashes 6
times repeat-
edly.
Faulty lens
connector
Disconnect the lens connector which joins the lens unit and
projector. Contact the Canon Customer Support Center.
WARNING
(only) flashes 3
times repeat-
edly.
Filter error The air filter is not installed. Check whether or not the air filter
is installed correctly. Contact the Canon Customer Support
Center if the same warning occurs again.
Cause Countermeasure
The power cord is not connected
correctly.
Check whether the power cord is connected correctly.
(P56)
The power cord has just been
connected.
You cannot turn on the projector until the [STAND BY] indi-
cator turns red after connecting the power plug. (P56)
The lamp cover is open. Unplug the projector from the power outlet, then install the
lamp cover correctly and turn on the projector again.
The safety device is activated
because the air intake or the
exhaust vent is blocked and the
internal temperature of the projec-
tor has increased.
When the safety device is active, the [STAND BY] indicator
does not turn on when you connect the power cord. You
cannot disable this safety device. Remove any obstacle
that is blocking the air intake or exhaust vent and contact
the Canon Customer Support Center.
The lens connector is not con-
nected correctly.
The lens connector that connects the lens unit with the main
unit of the projector is disconnected. Contact the Canon
Customer Services Center.
The air filter is not installed cor-
rectly.
Check whether the air filter is installed correctly. (P193)
Key lock is enabled. Check that Key lock (P123) is not enabled for the projector
or the remote control.
Cause Countermeasure
A cable is not connected cor-
rectly.
Check whether the projector is connected to the computer
or AV equipment correctly. (P52, P59)
20 seconds have not elapsed
since the projector was turned on.
When the projector is turned on, the opening window is dis-
played for approximately 20 seconds. To project an image
immediately, press the OK button on the remote control or
side control. (P56)
No image is sent from the AV
equipment.
Check whether an image is played on the connected video
camcorder, DVD, etc.
LED indicator
status
Meaning Countermeasure