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Troubleshooting
Appendix Other Information
Symptoms and Solutions
■ You Cannot Turn on the Projector
WARNING
(only) flashes 5
times
repeatedly.
Faulty power
supply
Abnormal voltage is applied to some parts in the
power supply or another failure may have
occurred. Unplug the projector from the electrical
outlet, then plug it back into the outlet and turn on
the projector again. Contact the Canon Customer
Support Center if the same warning occurs
again.
WARNING
(only) flashes 3
times
repeatedly.
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. (P143)
The power cord has just
been connected.
Wait at least one second after plugging the projector
in until you press the POWER button. You cannot
turn the projector on immediately after plugging it in.
(P52)
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 projector has
increased.
When the safety device is active, the [POWER ON]
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 air filter is not
installed correctly.
Check whether the air filter is installed correctly.
(P199)
Key lock is enabled.
Check that Key lock (P112) is not enabled for the
projector or the remote control.
LED indicator
status
Meaning Countermeasure