Canon REALiS LCOS WUX5800 WUX7500 WUX6700 WUX5800 Users Manual - Page 226
Troubleshooting, LED Indicator Details
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Troubleshooting LED Indicator Details When there is a problem with the projector, the LED indicator on the side of the projector illuminates or flashes continuously after the projector is turned off. • Wait until the cooling fan stops and disconnect the power plug from the power outlet before dealing with the problem. LED indicator status Meaning Cause and countermeasure WARNING and TEMP are lit. Temperature abnormality The temperature inside the projector is too high for some reason or the outside air temperature is higher than the operating range. If the problem is inside the projector, check whether the projector is installed and operating normally, unplug the projector from the power outlet to cool down the projector interior and then restart projection. If the air intake or exhaust vent is blocked, remove the obstacle. If the air filter is clogged, clean or replace it (P207). If the same warning occurs again, there may be a malfunction in the projector.* WARNING and Faulty lamp LIGHT are lit. The lamp does not illuminate. Restart the projector and check whether the lamp illuminates. If the lamp does not illuminate, replace it (P212 - P213). If the same warning occurs again, there may be a malfunction in the lamp drive circuit.* WARNING (only) flashes 3 times repeatedly. Filter error The air filter is not installed correctly. Install the air filter correctly and restart the projector. If the same warning occurs again, there may be a malfunction in the projector.* WARNING Faulty lamp flashes 3 times, cover LIGHT is lit. The lamp cover is open. Unplug the projector from the power outlet, then install the lamp cover correctly and turn on the projector again. If the lamp cover has been installed properly, there may be a malfunction in the lamp cover detection switch.* WARNING (only) flashes 4 times repeatedly. Faulty cooling fan There may be a malfunction in the cooling fan or another component. Unplug the projector from the power outlet, then plug it back into the outlet and turn on the projector again. If the same warning occurs again, there may be a malfunction in the projector.* 224