Epson PowerLite 4100 User Manual page 88

Status lights (continued)
Light Status
Flashing green
Red or
flashing red
Flashing orange
Flashing orange
Red
Flashing red
Flashing red
Flashing red
Solving Problems
88
Description
The air filter may be clogged. Clean or replace the air filter as
described on pages 74 to 78.
There is a problem with the projector. Check the other two lights and
the information on page 88 to diagnose the problem.
It's time to replace the lamp. See page 78 for instructions. If you
continue to use the lamp after the replacement warning, there is an
increased possibility that the lamp may break.
Rapid cooling is in progress. Although this is not an abnormal
condition, projection will stop automatically if the temperature rises
higher. Make sure there is plenty of space around and under the
projector for ventilation, and that the vents are clear.
The air filter may be clogged. Clean or replace the air filter as
described on pages 74 to 78.
The projector is overheating, which turns the lamp off automatically.
Wait until the projector switches to standby mode (about 5 minutes).
Make sure the room temperature is not outside the required
temperature range of the projector (see page 108), and there is
plenty of space around and under the projector for ventilation.
The air filter may be clogged. Clean or replace the air filter as
described on pages 74 to 78.
If you're using the projector above an altitude of 4,900 feet (1,500
meters), turn on High Altitude Mode in the Operation menu (see
page 67).
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 as described on
page 97.
Warning: Except as specifically explained in this User's Guide, do
not attempt to service this product yourself.
Power is cut off because of an internal problem. Unplug the power
cord and contact Epson for help, as described on page 97.
There is a problem with the fan or temperature sensor. Stop using
the projector, disconnect the power cord, and contact Epson as
described on page 97.