Support Projectors Q Series Epson EH-QL3000B

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 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 Flashing blue Varies Off Off Warming up; all buttons are disabled (image appears after about 30 seconds)
    Blue Flashing blue Off Off Off Shutting down or cooling down; all buttons are disabled
    Off Off Off Off Off Standby or sleep mode; press power button to start projection
    Blue Off Off Off Off Monitoring; press power button to start projection
    Flashing blue Off Off Off Off Preparing for network monitoring; all buttons are disabled
    Blue Blue Flashing blue Off Off A/V Mute is on
    Varies Flashing blue Flashing orange Varies Varies Refresh Mode is on
    Flashing blue Varies Varies Flashing orange Varies 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 Off Projector has overheated and turned off; leave the projector off for at least 5 minutes
    • 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

    Flashing blue Varies Flashing orange Varies Varies Laser warning; turn off the projector, unplug it, and contact Epson for help
    Flashing blue Varies Flashing orange Varies Varies An unsupported lens is attached; remove the unsupported lens and attach a lens that is supported
    Off Flashing blue Orange Off Off Laser error; turn off the projector, unplug it, and contact Epson for help
    Off Flashing blue Off Flashing orange Off Fan or sensor error; turn the projector off, unplug it, 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
    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
    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 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

    Off Flashing blue Orange Orange Off Lens Shift error, Supply Voltage error, or Communication error with AC Micro controller; turn off the projector, unplug it from the electrical outlet, and contact Epson for help
    Off Flashing blue Orange Orange Off 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 Off Flashing orange Flashing orange Off 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 Flashing blue Flashing orange Flashing orange Off Writing the settings may have failed and an error may have occurred in the projector's firmware

    Stop using the projector, unplug the projector's power cord, and contact Epson for help.

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

Published:  19-Sep-2024 Was this helpful? Thank you for the feedback!
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