MaintenanceENGLISH 43LAMP and TEMP indicatorsThe LAMP and/or TEMP indicators will light up to indicate that the projector has some problems.NOTE:Make sure to turn off the power• (see “TURN THEPROJECTOR OFF” on page 21) and confirm the powersupply status with the POWER indicator. ( page 19)Manage the problem as follows:LAMP INDICATORIndicator Illuminating red• Flashing red•Problem LAMP RUNTIME hasreached 3 800 hours.LAMP circuit failure, abnormal function or the lamp unit is damaged.CauseLamp unit will run out soonand needs to be replaced.The projector isturned on again toosoon.LAMP circuit failure,abnormal function.Lamp unit is damaged.RemedySee “REPLACE THELAMP UNIT”. ( page 45)Let the lamp unitcool down and turnon the projector after90 seconds.Turn the projector off( page 21) andcontact an AuthorizedService Center.See “REPLACE THELAMP UNIT”.( page 45)NOTE:If the• LAMP indicator still lights or flashes after the above remedy, contact an Authorized Service Center.TEMP INDICATORIndicator Illuminating red while projecting and the alert will be displayed.•Flashing red and power is turned off.•ProblemThe temperature inside and/or outside the projector is abnormally high.The projection may become darker than usual.•The internal fan’s operational noise may be louder than usual.•CauseThe air outlet port andair intake ports arecovered.The room temperatureis too high.The filter is excessivelydirty and the ventilationis poor.The projector is locatedat 1 400 - 2 700 m(4 593 - 8 858 ft).RemedyRemove object(s)from the air outlet portand air intake portsor clear around theprojector.Reinstall the projectorin temperaturecontrolled place.( page 54)Clean the filter in aproper method.( page 44)Turn on the projector* 1and set the HIGHALTITUDE MODE toON. ( page 37)*1 The projector will operate for 2 minutes with OFF set at high elevation.NOTE:Perform the above remedy; disconnect the power plug, and then supply the power again. If the• TEMP indicator still lights orflashes after the above remedy, contact an Authorized Service Center.If temperature in the projector rises, the fan speed increases and the sound becomes louder.•STANDBY(R)ON(G)LAMPTEMPMENU FUNCTIONENTERINPUTSELECTFOCUSZOOMLAMP indicatorTEMP indicatorMaintenance