Canon REALiS LCOS WUX500 WUX500 WUX450ST Users Manual - Page 189
Symptoms and Solutions, You Cannot Turn on the Projector
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Troubleshooting LED indicator status WARNING (only) flashes 3 times repeatedly. Meaning Filter error Cause and countermeasure 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. Symptoms and Solutions ■ You Cannot Turn on the Projector Cause The power cord is not connected correctly. The power cord has just been connected. The lamp cover is open. The safety device is activated because the air intake or the exhaust vent is blocked and the internal temperature of the projector has increased. The air filter is not installed correctly. Key lock is enabled. Countermeasure Check whether the power cord is connected correctly. (P51) 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) Unplug the projector from the power outlet, then install the lamp cover correctly and turn on the projector again. 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. Check whether the air filter is installed correctly. (P168) Check that Key lock (P101) is not enabled for the projector or the remote control. Other Information Troubleshooting 189