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56 Problem Solving
Solving Picture Problems
You cannot turn on the projector.
■ Make sure the power cord is connected and the power switch is turned on. Then wait a
moment for the power light to turn orange before pressing the P
Power button.
■ If you’ve set the Operation Lock, the control panel buttons are disabled; you must use
the remote control to turn on the projector (see page 31).
warning light is
flashing orange
High-speed cooling is in progress. If the projector gets too
hot again, projection stops automatically. Make sure there
is plenty of space around and under the projector for
ventilation. Clean or replace the air filter if necessary (see
page 48).
warning light is red The projector is too hot, which turns off the lamp
automatically. Let it cool for five minutes, then turn it back
on. Make sure there is plenty of space around and under
the projector for ventilation. Also, clean or replace the
filter if necessary (see page 48).
If you are using the projector at an altitude above 4900
feet (1500 meters), turn on High Altitude Mode so the
fan can properly cool the projector at the high altitude air
pressure (see page 46).
warning light is
flashing red at
half-second intervals
The lamp needs to be replaced (see page 50). Make sure
you have a spare lamp handy. Check to make sure the
lamp and lamp cover are securely installed.
warning light is
flashing red at
one-second intervals
There is an internal problem.
Turn off the power switch on
the back of the projector, and unplug it from the electrical
outlet. Then contact Epson for assistance (see page 60).
Light state Cause and solution
PowerLite Cinema 400.book Page 56 Friday, July 7, 2006 2:24 PM