Sharp DT300 DT-300 Operation Manual - Page 59

Maintenance Indicators I The warning lights on the projector indicate problems inside the projector. I If a problem occurs, either the temperature warning indicator or the lamp indicator will illuminate red, and the projector will enter the standby mode. After the projector has entered the standby mode, follow the procedures given below. About the lamp indicator TEMP. LAMP POWER TEMPERATURE LAMP WARNING indicator indicator POWER indicator About the temperature warning indicator If the temperature inside the projector increases, due to blockage of the air vents, or the setting location, " " will illuminate in the lower left corner of the picture. If the temperature keeps on rising, the lamp will turn off and the temperature warning indicator will blink, the cooling fan will run for a further 90 seconds, and then the projector will enter the standby mode. After " " appears, be sure to perform the following measures. I The lamp life becomes 0%, when used for approximately 4,000 hours with "Eco mode" or when used for approximately 3,000 hours with "Standard mode" (see page 53). I When the remaining lamp life becomes 5% or less, " " (yellow) will be displayed on the screen. When the percentage becomes 0%, " " will change to " " (red), the lamp will automatically turn off and then the projector will automatically enter the standby mode. At this time, the lamp indicator will illuminate in red. I If you try to turn on the projector a fourth time without replacing the lamp, the projector will not turn on. Maintenance indicator Normal Abnormal Temperature warning Off Red on/ Standby indicator Condition The internal temperature is abnormally high. Problem Possible Solution • Blocked air intake • Relocate the projector to an area with proper ventilation. • Cooling fan break- • Take the projector to your nearest down Sharp Authorized Service Center • Internal circuit failure or Dealer for repair. • Clogged air intake Lamp indicator Green on Green blinks when the lamp is warming up. Red on Red on/ Standby Time to change the lamp. The lamp does not illuminate. • Remaining lamp life becomes 5% or less. • Carefully replace the lamp. (See page 59.) • Take the projector to your nearest Sharp Authorized Service Center • Burnt-out lamp or Dealer for repair. • Lamp circuit failure • Please exercise care when replacing the lamp. Power Green on/ indicator Red on • Securely install the cover. • If the power is not turned on even Off The power is not turned on. • The lamp unit cover when the lamp unit cover is is open. securely installed, contact your nearest Sharp Authorized Service Center or Dealer for advice. -58