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Home Support Projectors Pro Series Epson Pro L1490U

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 (power) light
    2 Status light
    3 Laser light
    4 Temp (temperature) light
    5 Filter light
    On/Standby (power) light Status light Laser light Temp light Filter light Status and solution
    Blue Blue Varies Off Off Normal operation
    Blue Blue Flashing blue Off Off A/V Mute is on
    Blue Flashing blue Varies Off Off Warming up; wait for an image to appear
    Blue Off Off Off Off Standby or network monitoring and control (when Standby Mode is set to Communication On)
    Flashing blue Off Off Off Off Preparing for network monitoring
    Blue Flashing blue Off Off Off Cooling down; all buttons are disabled
    Flashing blue Varies Varies Flashing orange Varies High temperature warning; if the temperature gets too high, projection will automatically stop
    • Make sure that the vents and air filter are not clogged with dust or obstructed by nearby objects
    • Clean or replace the air filter
    Off Flashing blue Orange Orange Off Lens Shift error; turn off the projector, unplug it from the electrical outlet, and contact Epson for help
    Off Flashing blue Flashing orange Off Off Internal error; turn off the projector, unplug it from the electrical outlet, and contact Epson for help
    Off Flashing blue Off Orange Off Projector is too hot (overheating) and projection stops; leave it for about five minutes to cool down
    • 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
    • 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 Off Laser has a problem; turn off the projector, unplug it from the electrical outlet, and contact Epson for help
    Varies Varies Varies Varies Flashing orange It is time to clean the air filter
    Off Flashing blue Off Off Orange 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
    Flashing blue Varies Varies Varies Orange 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
    Off Flashing blue Off Flashing orange Off A fan or sensor has a problem; turn the projector off, unplug it, and contact Epson for help
    Flashing blue Varies Flashing orange Varies Varies Laser has a problem; turn the projector off, unplug it, and contact Epson for help
    Flashing blue Varies Flashing orange Varies Varies An unsupported lens is attached; make sure your lens is supported
    Varies Varies Varies Varies Flashing orange A message to clean or replace the air filter is displayed; turn the projector off, unplug it, and clean or replace the air filter as necessary
    Varies Varies Flashing orange Varies Varies The projector is unable to maintain constant brightness and the Constant Brightness setting in the Settings menu is disabled  

    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
    Air Filter and Vent Maintenance
    Related tasks
    Stopping Video Action Temporarily
    Related references
    Projector Setup Settings - Extended Menu
    Optional Equipment and Replacement Parts
Published:  Jan 11, 2018 Was this helpful​? Thank you for the feedback!
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