Chapter 5 Maintenance — Light source/temperature indicatorENGLISH - 119Light source/temperature indicatorWhen an indicator lights upIf a problem should occur inside the projector, the light source indicator /temperature indicator will inform you by lighting orflashing. Check the status of the indicators and manage 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 36).f Check the status of the power supply with the power indicator . (x page 34)Light source indicator Power indicator Temperature indicator Light source indicator Indicator status Lighting in red(projecting)Flashing in red(2 times)Flashing in red(3 times)Status The light source may not light properly. The light source does not light up or has suddenly turned off.Cause ―Solution Turn the switch to (x page 36), and turn it on again.Notef If the light source indicator still lights or is flashing even turning the switch to (x page 36), ask yourdealer to repair the projector.Temperature indicator Indicator status Lighting in red Flashing in red(1 time)Flashing in red(2 times)Flashing in red(3 times)Status Warm-up status Internal temperature ishigh (warning).Internal temperatureis high (duringprojection).Internal temperatureis high (standbywarning).The cooling fan hasstopped.Causef Did you turn on thepower when theroom temperaturewas low (0 °C(32 °F))?f Is the air intake/exhaust port blocked?f Is the room temperature high? ―Solutionf Wait at least fiveminutes in thecurrent status.f Install the projectorin a locationwith an ambienttemperature of 0 °C(32 °F) to 45 °C(113 °F)*1 .f Remove any objects that are blocking the air intake/exhaust port.f Install the projector in a location with an ambient temperature of 0 °C(32 °F) to 45 °C (113 °F)*1 .f Do not install the projector at high altitudes of 2 700 m (8 858') orhigher above sea level.f Turn the POWER>switch to (x page 36), andconsult your dealer.*1 When using the projector at high altitudes (1 400 m (4 593') – 2 700 m (8 858') above sea level), the operating environment temperature will be 0 °C(32 °F) – 40 °C (104 °F).Notef If the temperature indicator is still lit or flashing after taking the preceding measures, ask your dealer to repair the projector.