Epson 710/700/500 - Manual (Page 81)

Problems with the Projector
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❑ The temperature indicator is red.
The projector is overheating, which turns the lamp off
automatically. Let the projector cool for a few minutes,
then turn it back on. Make sure nothing is blocking the
ventilation vents.
The air filter may be clogged. Clean it as described on page
57 in Chapter 4 and then let the projector cool for a while.
If the projector continues to overheat after you clean the air
filter, the problem may be caused by damage to the cooling
fan or internal circuits. Contact a qualified service person.
♦
Warning: Do not attempt to service this product yourself except
as specifically explained in this User’s Guide.