Chapter 5 Maintenance — Lamp/temperature/filter indicatorsENGLISH - 127Lamp/temperature/filter indicatorsWhen an indicator lights upIf a problem should occur inside the projector, the lamp indicator , the temperature indicator , and the filter indicator will inform you by lighting or flashing. Check the status of the indicators and remedy the indicated problems as follows.Attentionf When switching off the projector to deal with problems, make sure to follow the procedure in “Switching off the projector” (x page 48).Lamp indicator Temperature indicator Filter indicator Lamp indicator Indicator status Lighting in red Flashing in red(1 time)Flashing in red(3 times)Status Time to replace the lampunit. (x page 131)The lamp unit is notinstalled.A problem is detected in the lamp or the power supply forthe lamp.Causef Was [REPLACE LAMP]displayed when youturned on the power?f The indicator lights upwhen the runtime ofthe lamp unit reaches3 800 hours (when[LAMP POWER] is set to[NORMAL]).f Is the lamp unit attached?f Have you turned on thepower again immediatelyafter turning it off?f Some error has occurredin the lamp circuit. Checkfor fluctuation (or drop) inthe source voltage.Solution f Replace the lamp unit.f Install the lamp unit if it isnot installed.f If the indicator is stillflashing in red even whenhaving installed the lampunit, consult your dealer.f Wait a while until theluminous lamp coolsoff, and then turn on thepower.f Turn the switch to (x page 48), andconsult your dealer.Notef If the lamp indicator is still lit or flashing after taking the preceding measures, ask your dealer for repair.