Epson PowerLite 7900p User Manual page 112

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Solving Problems
112
Description
Rapid cooling in progress. Although this is not an abnormal condition,
projection will stop automatically if the temperature rises too high again.
Make sure there is plenty of space around and under the projector for
ventilation, and that the air filters and vents are clear.
The projector is overheating, which turns the lamp off automatically. Wait
until the cooling fan stops, then unplug the power cord. Plug the power
cord back in and press the P Power button. Make sure the room
temperature is not above 95 °F (35 °C) and there is plenty of space
around and under the projector for ventilation.
The air filters may be clogged. Clean or replace them as described on
page 103.
If the projector continues to overheat after you clean the air filter, the
problem may be caused by damage to the cooling fan or temperature
sensor. Contact Epson for help.
Warning: Except as specifically explained in this User's Guide, do not
attempt to service this product yourself.
It's time to replace the lamp. See page 104 for instructions. If you
continue to use the lamp after the replacement warning, there is an
increased possibility that the lamp may break.
The lamp may be burned out. First make sure the lamp cover is securely
installed. If that's not the problem, remove the lamp and replace it as
described on page 104. If this does not resolve the problem, contact
Epson as described on page 121.
Power is cut off because of an internal problem. Remove the power cord
and contact Epson for help, as described on page 121.
The lamp may be cracked or installed incorrectly. Check the lamp; if it is
cracked, you must replace it (as described on page 104) before you can
use the projector again.
Also make sure the air filters and intake vents are clean. (See page 103.)
Make sure the lamp and cover are installed correctly. (See page 106.)
If checking the lamp installation and replacing the lamp does not solve
the problem, contact Epson as described on page 121.