Epson PowerLite L400U, User Manual, Page: 220 / 262

220
On/Standby
(power) light Status light Laser
light
Temp
light Filter light Status and solution
Off Flashing
blue Orange Off Off Laser has a problem.
• 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.
Varies Varies Flashing
orange Varies Varies The projector is unable to maintain
constant brightness. The
Constant Brightness setting is
disabled.
Varies Flashing
blue Flashing
orange Varies Varies Refresh mode is in progress.
Flashing blue Varies Varies Flashing
orange Varies High temperature warning. If the
temperature gets too high,
projection automatically stops.
• Make sure that the vents and air
filter are not clogged with dust
or obstructed by nearby objects.
• Make sure the room
temperature is not too hot.
• Clean or replace the air filter.