Epson PowerLite L400U, User Manual, Page: 221 / 262

221
On/Standby
(power) light Status light Laser
light
Temp
light Filter light Status and solution
Flashing blue Varies Flashing
orange Varies Varies Laser warning. Turn the projector
off, unplug it, 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 Varies Varies Flashing
orange It is time to clean the air filter.
Note: If the lights display a pattern not listed in the table above, turn the projector off, unplug it, and
contact Epson for help.
Wireless LAN status
WLAN light Status and solution
Blue Wireless LAN is available
Flashing blue (fast) Connecting to a device
Flashing blue (slow) An error occurred. Turn off the projector, then restart it.
Off Wireless LAN is not available
Parent topic: Solving Problems
Related concepts
Air Filter and Vent Maintenance
Related references
Projector Setup Settings - Extended Menu
Where to Get Help