faq-00003f6-pl20000u_20002u | SPT_V11H833820 | Epson Pro L20000U | Pro Series | Projectors | Support

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	LAN (wired network or HDBaseT status)
2	WLAN (wireless network status)
3	Filter light
4	Temp (temperature) light
5	Laser light
6	Status light
7	On/Standby light

On/Standby (power) light	Status light	Laser light	Temp light	Filter light	Status and solution
Blue	Off	Off	Off	Off	Projector is in standby mode or network monitoring and control is in progress.
Blue	Flashing blue	Varies	Off	Off	Warming up. Wait for an image to appear.
Blue	Blue	Varies	Off	Off	Normal operation.
Blue	Blue	Flashing orange fast	Off	Off	Projector is connected to a 110 V power source and the laser is operating at approximately 55% of available power. For optimal performance, connect the projector to a 220 V power source using the 220 V power cord that came with the projector.
Blue	Flashing blue	Off	Off	Off	Cooling down. All buttons are disabled.
Flashing blue	Off	Off	Off	Off	Preparing network monitoring. (Wait for the light to remain orange before unplugging the projector.)
Blue	Blue	Flashing blue	Off	Off	The shutter feature is enabled.
Off	Flashing blue	Flashing orange	Off	Off	Internal error. Turn off the projector, unplug the power cord, and contact Epson for help.
Off	Flashing blue	Off	Flashing orange	Off	A fan or sensor has a problem. Turn off the projector, unplug the power cord, and contact Epson for help.
Off	Flashing blue	Off	Orange	Off	Projector is too hot. Wait for about five minutes so the projector can switch to standby mode. Then check 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. 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 error. 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	No lens installed, or lens shift or supply voltage error. Remove and reinstall the lens. If the problem persists, turn off the projector, unplug the power cord, and contact Epson for help
Off	Flashing blue	Flashing orange	Flashing orange	Off	Shutter error. Turn off the projector, unplug the power cord, and contact Epson for help.
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. Make sure the environmental temperature is not too hot. Clean or replace the air filter.
Varies	Varies	Varies	Varies	Flashing orange	Clean the air filter.
Flashing blue	Varies	Flashing orange	Varies	Varies	Laser warning. Turn off the projector, unplug the power cord, and contact Epson for help.
Flashing blue	Varies	Flashing orange	Varies	Varies	An unsupported lens is attached. Attach only a supported lens.
Flashing blue	Varies	Flashing orange	Flashing orange	Varies	Shutter error. Turn off the projector, unplug the power cord, 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.
Varies	Varies	Flashing orange	Varies	Varies	End of Constant Brightness mode.
Varies	Off	Flashing orange fast	Flashing orange fast	Varies	When performing batch setup using a USB flash drive, the setup file may be corrupt or the USB flash drive may not be connected correctly. Remove the USB flash drive, turn off the projector and unplug the power cord, then plug the power cord back in, turn on the projector, and try again.
Flashing blue fast	Off	Flashing orange fast	Flashing orange fast	Flashing blue fast	When performing batch setup, an error may have occurred when writing the settings. Turn off the projector, unplug the power cord, and contact Epson for help.

LAN light	WLAN light	Status and solution
Blue	—	You can use a wired LAN or HDBaseT transmitter
Off	—	Cannot use wired LAN or HDBaseT transmitter. Check the LAN cable connection and your LAN or HDBaseT transmitter settings.
—	Blue	Wireless LAN is available.
—	Flashing blue quickly	Connecting to a device.
—	Flashing blue slowly	Wireless error. Turn the projector off and then on again.
—	Off	Wireless LAN is unavailable. Check your 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.

Published: 21-Nov-2019 Was this helpful? Thank you for the feedback!