Optoma EP721 User Manual
44
English
Appendices
Intermission Problems
The projector stops responding to all controls
If possible, turn off the projector, then unplug the power cord and
wait at least 60 seconds before reconnecting power.
Lamp burns out or makes a popping sound
When the lamp reaches its end of life, it will burn out and may
make a loud popping sound. If this happens, the projector will not
turn on until the lamp module has been replaced. To replace the
lamp, follow the procedures in the “Replacing the Lamp” section
on pages 47-48.
Projector Status Indication
LED lighting message
Message
Power LED
Temp-LED
Lamp-LED
(Green/Amber)
(Red)
(Red)
Standby State
(Input power cord)
Flashing
Amber
Power on (Warming)
Flashing
Green
Lamp lighting
Green
Error (Over Temp.)
Error (Fan fail)
Flashing
(0.25s on, 0.25s off)
Error (Lamp fail)
Steady light
No light