Epson PowerLite 4770W User Manual - Page 167

Power light Red On On On Red Lamp light Flashing red Off Off Off Off Temp light Off Off Off Off Off Filter light Status and solution Off Flashing green Flashing orange Orange Red Lamp has a problem. • Check to see if the lamp is burned out, broken, or installed incorrectly. Reseat or replace the lamp as necessary. • Make sure that the vents and air filter are not clogged with dust or obstructed by nearby objects. • If operating the projector at high altitude, turn on High Altitude Mode. • If the problem persists, unplug the projector and contact Epson for help. It is time to clean the air filter. Low air flow through the projector. • Make sure that the vents and air filter are not clogged with dust or obstructed by nearby objects. • Clean or replace the air filter. • If the problem persists, unplug the projector and contact Epson for help. No air filter. Check to see if the air filter is securely installed. Low air flow through the air filter. • Make sure that the vents and air filter are not clogged with dust or obstructed by nearby objects. • Clean or replace the air filter. • If the problem persists, unplug the projector and contact Epson for help. 167