Chapter 6 Maintenance — Light source/temperature indicatorsENGLISH - 157Light source/temperature indicatorsWhen an indicator lights upIf a problem occurs inside the projector, the light source indicator or the temperature indicator will inform you by lighting or blinking. Check the status of the indicators and take following measures.Attentionf When switching off the projector to deal with problems, make sure to follow the procedure in “Switching off the projector” (x page 49).Light source indicator Temperature indicator Light source indicator Indicator status Lighting in red Blinking in red(3 times)Status Some of the elements of the light source are defective andthe light output has decreased.The light source does not light up, or the light source turnsoff while the projector is in use.Cause ―Solution f Turn the switch to (x page 49), and turn on the power again.Notef If the light source indicator continues to light or blink even after the measure is taken, set the switch to ,and ask your dealer for repair.f The light source indicator lights in green while the projector is in projection mode if there is no notification by lighting or blinking inred.Temperature indicator Indicator status Lighting in red Blinking in red(2 times)Blinking in red(3 times)Status Warm-up status Internal temperature is high(warning).Internal temperature is high(standby status).The cooling fan hasstopped.Causef Did you turn on the powerwhen the temperaturewas low (around 0 °C(32 °F))?f Is the air intake/exhaust port blocked?f Is the room temperature high? ―Solutionf Wait at least five minutesin the current status.f Use the projectorin an appropriateoperating environmenttemperature *1 .f Remove any objects that are blocking the air intake/exhaust port.f Use the projector in an appropriate operatingenvironment temperature *1 .f Do not use the projector at an altitude of 4 200 m(13 780') or higher above sea level*2 .f Turn the switch to (x page 49), andconsult your dealer.*1 The operating environment temperature of the projector differs depending on the altitude or the setting of the [PROJECTOR SETUP] menu →[OPERATION SETTING] → [OPERATING MODE]. For details, refer to “Operating environment temperature” (x page 178).*2 When the [PROJECTOR SETUP] menu → [OPERATION SETTING] → [OPERATING MODE] is set to [ECO], [SILENT], [LONG LIFE1], [LONGLIFE2], or [LONG LIFE3], the projector cannot be used at an altitude of 2 700 m (8 858') or higher above sea level.Notef If the temperature indicator is still lit or blinking after taking the measures, ask your dealer for repair.
