Optoma H31 User Manual - Page 29

English Appendices Problem: Image is out of focus 4 Adjust the focus ring on the projector's lens. 4 Make sure the projection screen is between the required distance 4.6 to 39.4 feet (1.4 to 12.0 meters) from the projector. Problem: Image is reversed. 4 Press "Menu", then select "Display" to adjust the projection mode. Problem: Lamp burns out or makes a popping sound 4 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 back on until the lamp module has been replaced. To replace the lamp, follow the procedures in "Replacing the Lamp" page 30. Problem: LED lighting message Message Power LED Green Orange Standby State (Input power cord) Flashing Off Lamp lighting On Off Power on On Off Power off Off On Error (Lamp fail) Off Off Error (Thermal fail) Off On Error (Fan lock fail) Off On Error (Over Temp.) Off On Error (Lamp Breakdown) Off On Temp LED Lamp LED Off Off Off Off Off Off Off Off Off On On Off Flashing Off Flashing Off Off On Problem: Message Reminders 4 "Lamp may fail soon! Replacement suggested!" will be shown about 10 seconds when lamp life is going to deplete. 4 "Over temperature" will be shown when the system temperature is over heat. 4 "Fan fail " will be shown when the fan is out of order. 29