Optoma GT720 User's Manual - Page 42

The projector stops responding to all controls, Lamp burns out or makes a popping sound - flashing green light

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Appendices 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.  Check that "Keypad Lock" is not activated by trying to control the projector with the remote control. 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 44-45. LED lighting message Message Standby State (Input power cord) Power on (Warming) ON/STANDBY LED (Green/Amber) Amber Flashing Green Temp-LED (Red) Lamp-LED (Red) Lamp lighting Green Power off (Cooling) Error (Over Temp.) Steady light  No light  Error (Fan fail) Error (Lamp fail) Flashing Green Flashing Amber Flashing Amber Flashing Amber Flashing ＊ ON/STANDBY LED be ON when OSD appears, be OFF when OSD disappears. English 42

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42
English
Appendices
The projector stops responding to all controls
If p
ossible, turn off the projector, then unplug the power cord and
wait at least 60 seconds before reconnecting power.
Check that “Keypad Lock” is not activated by trying to control the
projector with the remote control.
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 44-45.
LED lighting message
Steady light
No light
Message
ON/STANDBY
LED
Temp-LED
Lamp-LED
(Green/Amber)
(Red)
(Red)
Standby State
(Input power cord)
Amber
Power on (Warming)
Flashing
Green
Lamp lighting
Green
Power off (Cooling)
Flashing
Green
Error (Over Temp.)
Flashing
Amber
Error (Fan fail)
Flashing
Amber
Flashing
Error (Lamp fail)
Flashing
Amber
＊
ON/STANDBY LED be ON when OSD appears, be OFF when OSD disappears.