Support Projectors PowerLite Series Epson PowerLite 1781W

The product's light(s) indicate an error. What should I do?

  • See below.

    Projector Light Status

    The lights on the projector indicate the projector status and let you know when a problem occurs. Check the status and color of the lights and look for a solution in the table here.



    1 On/Standby light
    2 Status light
    3 Lamp light
    4 Temp light
    5 Wireless LAN light

    Projector Status

    On/Standby light Status light Lamp light Temp light Status and solution
    Blue Blue Off Off Normal operation
    Blue Flashing blue Off Off Warming up or shutting down; when warming up, wait for an image to appear
    Blue Off Off Off Standby or sleep mode
    Flashing blue Varies Varies Flashing orange Projector is too hot
    • Make sure that the vents and air filter are not clogged with dust or obstructed by nearby objects
    • Clean or replace the air filter
    • Make sure the environmental temperature is not too hot
    Off Flashing blue Off Orange Projector has overheated and turned off; leave it turned off to cool down for about five minutes, then do the following:
    • 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 operating the projector at high altitude, turn on High Altitude Mode
    • If the problem persists, unplug the projector and contact Epson for help
    Off Flashing blue Orange Off 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 the lamp cover is installed securely or the lamp will not come on
    • Clean or replace the air filter
    • If operating the projector at high altitude, turn on High Altitude Mode
    • If the problem persists, unplug the projector and contact Epson for help
    Flashing blue Varies Flashing orange Varies Replace the lamp soon to avoid damage; do not continue using the projector
    Off Flashing blue Off Flashing orange A fan or sensor has a problem; turn the projector off, unplug it, and contact Epson for help
    Off Flashing blue Flashing orange Off Internal projector error; turn the projector off, unplug it, and contact Epson for help
    Off Flashing blue Flashing orange Flashing orange Auto Iris error; turn the projector off, unplug it, and contact Epson for help
    Off Flashing blue Orange Orange Power error; turn the projector off, unplug it, and contact Epson for help

    Wireless LAN Status

    Wireless LAN light status Description
    Blue Wireless LAN is connected
    Flashing blue rapidly Connecting to a device
    Flashing blue slowly Wireless LAN error; turn the projector off and then on again; if the problem persists, unplug the projector and contact Epson for help
    Off Wireless LAN connection is not available; check the wireless LAN settings

    Note: If the lights display a pattern not listed in the table above, turn the projector off, unplug it, and contact Epson for help.

    Related concepts
    Projector Lamp Maintenance
    Air Filter and Vent Maintenance
    Related tasks
    Turning Off the Projector
    Related references
    Projector Setup Settings - Extended Menu
    Where to Get Help
Published:  Jan 16, 2017 Was this helpful?​ Thank you for the feedback!
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