2Wire 7900P Cleaning the Lens, Cleaning the Projector

Epson PowerLite 7900p Projector

Light Description and solution

Green

When the P power light is flashing green, the projector is warming up. Wait for the image to appear.

Green

When the P power light is green, the projector is operating normally.

Orange	When the P power light is flashing orange,
	the projector is cooling down. Do not
	unplug it until the light stops flashing and
	remains orange. If you want to turn it back
	on, wait until the light stops flashing.
Red	When the power and temperature lights
	are flashing, the projector is getting too hot
	and is in rapid cooling mode. You can
	continue running it in this condition,
Orange	however, verify that the air filter is not
	clogged. Clean or replace it as described on
	page 21.
	Make sure the room temperature is not
	above 104 °F (40 °C) and there is plenty of
	space around and under the projector for
	ventilation.
Red	When the power and temperature lights
	are red, the projector has overheated,
	which turns off the lamp automatically.
	Wait about 5 minutes for the projector to
Red	cool, then unplug the power cord.
	Verify that the air filter is not clogged.
	Clean or replace it as described on page 21.
	Make sure the room temperature is not
	above 104 °F (40 °C) and there is plenty of
	space around and under the projector for
	ventilation. Then plug the power cord back
	in and press the P Power button.
	If the projector continues to overheat,
	contact Epson for help.

Red

When the P power light is red and the temperature light is flashing red, there is a

problem with a fan or temperature sensor.

Red Turn off the projector, unplug the power cord and contact Epson for help.

Light	Description and solution
Green	When the P power light is green and the
Orange	lamp light is flashing orange, the lamp has
	been used for at least 1900 hours. To
	ensure continued operation, you should
	replace it as soon as possible (see
	page 21).
Red	When the P power light is red and the
	lamp light is flashing red, the lamp has
Red	burned out. Replace it as described on
	page 21.
	If these lights come on after replacing the
	lamp, make sure the lamp is fully inserted
	and the lamp cover is attached.
Red
Red	If all three lights are red, the projector has
	an internal problem. Turn off the projector,
Red	unplug the power cord and contact Epson
	for help.

Cleaning the Lens

Clean the lens whenever you notice dirt or dust on the surface.

❏Use a canister of compressed air to remove dust.

❏To remove dirt or smears on the lens, use lens-cleaning paper. If necessary, moisten a soft cloth with lens cleaner and gently wipe the lens surface.

Caution: Do not use glass cleaner to clean the lens.

Cleaning the Projector

Before you clean the case, first turn off the projector and unplug the power cord.

❏To remove dirt or dust, wipe the case with a soft, dry, lint-free cloth.

❏To remove stubborn dirt or stains, moisten a soft cloth with water and a mild detergent. Then wipe the case.

❏Do not use wax, alcohol, benzene, paint thinner, or other chemical cleaning agents. These can damage the case.

20 - Epson PowerLite 7900p Projector 9/04