Optoma PRO150S User's Manual - Page 42

Appendices Steady light  No light  Other 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.  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. Projector Status Indication LED lighting message Message Standby State (Input power cord) Power LED (Green/Red) Red Power on (Warming) Flashing Green Temp-LED (Red) Lamp lighting Green Power off (Cooling) Error (Over Temp.) Error (Fan fail) Error (Lamp fail) Flashing Green Flashing Red Flashing Red Flashing Red Flashing Lamp-LED (Red) English 42