Home Support Projectors EB Series Epson EB-PU2120W

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

  • 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 WLAN light
    On/Standby (power) light Status light Laser light Temp light Status and solution
    Blue Blue Varies Off Normal operation
    Blue Blue Flashing blue Off A/V Mute is on (EB-PU2113W/EB-PU2116W/EB-PU2120W)

    Shutter is closed (EB-PU2213B/EB-PU2216B/EB-PU2220B)

    Blue Flashing blue Varies Off Warming up; wait for an image to appear (30 seconds); all buttons are disabled during warmup
    Blue Off Off Off Standby or network monitoring and control mode (when Standby Mode is set to Communication On)
    Flashing blue Off Off Off Preparing for network monitoring, quick startup, or USB Power mode; all buttons are disabled
    Blue Flashing blue Off Off Cooling down; all buttons are disabled
    Flashing blue Varies Varies Flashing orange Projector is too hot
    • Make sure that the vents are not clogged with dust or obstructed by nearby objects
    • Make sure the environmental temperature is not too hot
    Off Flashing blue Orange Orange Lens Shift or Supply Voltage error; turn off the projector, unplug it from the electrical outlet, and contact Epson for help

    No lens is installed; attach or re-install lens; if the problem persists, unplug it from the electrical outlet, and contact Epson for help.

    Off Flashing blue Flashing orange Off Internal error; turn off the projector, unplug it from the electrical outlet, and contact Epson for help
    Varies Flashing blue Flashing orange Varies Refresh Mode is on
    Off Flashing blue Off Orange Projector has overheated and turned off; leave the projector off for at least 5 minutes
    • Make sure that the vents are not clogged with dust or obstructed by nearby objects
    • 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 Laser or retardation plate error; turn off the projector, unplug it, and contact Epson for help

    Upper case open error; turn off the projector, unplug it, and contact Epson for help

    Off Flashing blue Off Flashing orange Cooling system error; turn the projector off, unplug it, and contact Epson for help

    A fan or sensor has a problem; turn the projector off, unplug it, and contact Epson for help

    Flashing blue Varies Flashing orange Varies Laser error; turn off the projector, unplug it, and contact Epson for help

    An unsupported lens is attached; remove the unsupported lens and attach a lens that is supported

    Varies Varies Flashing orange Varies The projector is unable to maintain constant brightness and the Constant Brightness setting in the Settings menu is disabled
    Off Flashing blue Orange Orange Lens problem or no lens is installed
    • Remove and reattach the installed lens
    • Attach a supported lens
    • If the problem persists, unplug the projector and contact Epson for help
    Off Flashing blue Flashing orange Flashing orange Shutter error (EB-PU2213B/EB-PU2216B/EB-PU2220B); turn off the projector, unplug it, and contact Epson for help
    Flashing blue Varies Flashing orange Flashing orange Shutter warning (EB-PU2213B/EB-PU2216B/EB-PU2220B); turn off the projector, unplug it, and contact Epson for help
    Flashing orange quickly Flashing orange quickly The batch setup file may be corrupt, or the USB flash drive may not be connected correctly.

    Disconnect the USB flash drive, unplug and then plug in the projector's power cord, and then try again.

    Flashing blue quickly Flashing blue quickly Flashing orange quickly Flashing orange quickly Writing the settings may have failed and an error may have occurred in the projector's firmware; turn off the projector, unplug it, and contact Epson for help

    Wireless LAN Status

    Wireless LAN status Status and solution
    Lit blue Wireless LAN is available.
    Flashing blue quickly Connecting to a device.
    Flashing blue slowly An error has occurred. Turn off the projector and then on again.

    Off

    Wireless LAN is not available. Make sure the wireless LAN settings are correct.

    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 references
    Projector Reset Options - Reset Menu
    Projector Feature Settings - Settings Menu
    Where to Get Help (U.S. and Canada)
    Where to Get Help (Latin America)
    Projector Setup Settings - Extended Menu
    Optional Equipment and Replacement Parts (U.S. and Canada)
    Optional Equipment and Replacement Parts (Latin America)
    Related information
    Attaching and Removing a Lens
Published:  Apr 28, 2022 Was this helpful?​ Thank you for the feedback!
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