Epson EMP-821 User Manual

Red

Flashing red 

Flashing red 

There is an internal error in the projector. Turn the 
projector off and unplug it. Contact Epson for 
help.

Red

Off

Flashing red

There is a problem with the fan or a sensor. Turn 
the projector off and unplug it. Contact Epson for 
help.

Red

Flashing red

Off

The lamp is burned out, broken, or not installed 
correctly; or the lamp cover is open. Close the 
cover or replace or reseat the lamp, if necessary, 
as described on page 72. If these suggestions 
don’t work, contact Epson.

—

Flashing orange

Off

Replace the lamp with a new one as soon as 
possible; see page 72 for instructions. If you 
continue to use the lamp, there is a risk it may 
break.

Red

Off

Red

The projector has overheated and turned itself 
off. Let it cool for about five minutes, then turn it 
back on. Make sure there is plenty of space 
around and under the projector for ventilation. 
Also clean the air filter and air exhaust vents. See 
page 71. If it continues to overheat, you may 
need to replace the air filter.

Flashing red

Off

Flashing orange 

The projector is too hot. Make sure the 
temperature in the room does not exceed 95

 °

F 

(35

 °

C) and there is plenty of space around and 

under the projector for ventilation. Clean the air 
filter and air vents, if necessary. See page 71 for 
instructions.

Orange

Off

Off

The projector is in standby or sleep mode. You 
can unplug it or press the 

P

 Power button to 

turn it on.

Flashing 
green

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Off

The projector is warming up. Wait for the image 
to appear.

Green

Off

Off

The projector is operating normally.

Flashing 
orange

Off

Off

The projector is cooling down. Wait for the light 
to stop flashing and remain orange before 
unplugging it.