Optoma TW675UST-3D User Manual page 73

Steady light 
No light 
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 76-77.
LED lighting message
Message
Standby State
(Input power cord)
Power on (Warming)
Lamp lighting
Power off (Cooling)
Error (Over Temp.)
Error (Fan fail)
Error (Lamp fail)
＊ POWER/STANDBY LED be ON when OSD appears, be OFF when OSD disappears.
Appendices
POWER/STAND-
BY LED
(Green/Amber)
Amber
Flashing
Green
Green
Flashing
Green
Flashing
Amber
Flashing
Amber
Flashing
Amber
Temp-LED Lamp-LED
(Red) (Red)
Flashing
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