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Troubleshooting
WARNING Lamp Flash Patterns
The WARNING lamp on the Control Panel flashes in red when there is a trouble in the pro-
jector.
• Turn off the projector, wait until the cooling fan stops, and remove the power plug from
the AC outlet before dealing with the trouble.
Flash Pattern Meaning Countermeasure
One flash Temperature,
abnormality
The temperature inside the projector is too high for some reason
or the outside air temperature is higher than the specified one. If
the problem is inside the projector, check whether the projector
is installed and operated normally, turn off the projector to cool
its inside, and retry projection. If the air intake or exhaust vent is
blocked, remove the obstacle. If the same warning occurs
again, the projector may be defective. Contact your dealer.
Two flashes Faulty lamp The lamp has burnt out. Replace the lamp with a new one. If the
same warning is experienced again, the lamp drive circuit may
be defective. Contact your dealer.
Three flashes Faulty lamp
cover
The lamp cover is open. Turn off the projector and unplug it from
the power outlet, then install the lamp cover and turn on the pro-
jector again.
If the lamp cover has been installed properly, the lamp cover
detection switch may be defective. Contact your dealer.
Four flashes Faulty cooling
fan
The cooling fan or another component may be defective. Con-
tact your dealer.
Five flashes Faulty power
supply
The abnormal voltage is applied to some parts in the power
supply or any other failure may be occurred. Turn off the projec-
tor and unplug it from the power outlet, then plug it to the outlet
and turn on the projector again. Contact your dealer if the same
warning is given.