Sharp XG-NV7XUL XG-NV7XU Operation Manual - Page 48

Lamp/Maintenance Indicators Maintenance Indicators LAMP REPLACEMENT indicator TEMPERATURE WARNING indicator • The warning lights on the projector indicate problems inside the projector. • There are two warning lights: a TEMPERATURE WARNING indicator which warns that the projector is too hot, and a LAMP REPLACEMENT indicator which lets you know when to change the lamp. • If a problem occurs, either the TEMPERATURE WARNING indicator or the LAMP REPLACEMENT indicator will light up red. After turning off the power, follow the procedures given below. Maintenance Indicator Condition TEMPERATURE WARNING indicator The internal temperature is abnormally high. LAMP REPLACEMENT indicator The lamp does not light up. Problem • Blocked air intake. • Cooling fan breakdown. • Internal circuit failure. • Burnt-out lamp. • Lamp circuit failure. Possible Solution • Relocate the projector to an area with proper ventilation. • Take the projector to your nearest Authorized Sharp Industrial LCD Products Dealer or Service Center for repair. • Carefully replace the lamp. (See pages 48 and 49.) • Take the projector to your nearest Authorized Sharp Industrial LCD Products Dealer or Service Center for repair. • If the TEMPERATURE WARNING indicator lights up, follow the above possible solutions and then wait until the projector has cooled down completely before turning the power back on. (At least 5 minutes.) • If the power is turned off and then turned on again, as during a brief rest, the LAMP REPLACEMENT indicator may be triggered, preventing the power from going on. Should this occur, take the power cord out of the wall outlet and put it back in again. Lamp The lamp in this projector operates for approximately 1,500 cumulative hours, depending on the usage environment. It is recommended that the lamp be replaced after 1,400 cumulative hours of use or when you notice a significant deterioration of the picture and color quality. The lamp usage time can be checked with the On-screen Display (see page 39). CAUTION • Intense light hazard. Do not attempt to look into the aperture and lens while the projector is operating. • As the usage environment can vary significantly, the projector lamp may not operate for 1,500 hours. Maintenance & Troubleshooting E-47