ENGLISH - 43 MaintenanceLAMP, TEMP and FILTER IndicatorsIf a problem should occur with the projector, the LAMP, TEMP and/orFILTER indicators will inform you. Manage the indicated problems asfollow.1. Confirm the status of all indicators and projector, and switch off theprojector in proper way.2. Find out the cause of the problem by status of the LAMP, TEMPand/or FILTER indicators.3. Follow the instruction for each indication below and solve theproblem.4. Turn on the projector in the correct way and confirm the indicator isnot indicating a problem any longer.J LAMP indicatorJ TEMP indicatorJ FILTER indicatorWhen the FILTER indicator is flashing GREEN, the ARF is normally rolling up.Managing the indicated problemsNOTE:• If no problem is found or the problem remains, do not turn on the projector. Instead contact an Authorised Service Centre.Indicator Illuminating RED Flashing REDProblem LAMP RUNTIME hasreached 4 800 hours. LAMP circuit failure, abnormal function or Lamp unit is damaged.CauseLamp unit will run outsoon and needs to bereplaced.The MAIN POWER isswitched on again beforethe Lamp unit is cooledenough.LAMP circuit failure,abnormal function. Lamp unit is damaged.Remedy See “Replacing the Lampunit” on page 45.Let the Lamp unit cooldown and turn on theMAIN POWER after90 seconds.Contact an AuthorisedService Centre.See “Replacing the Lampunit” on page 45.Indicator Illuminating RED while projecting and the alert will be displayed.Flashing RED and POWER is turned offProblem The temperature inside and/or outside the projector is abnormally high.Cause The ventilation openingsare covered.The room temperature istoo high.The ARF is excessivelydirty and the ventilation ispoor.The projector is located at1 400 - 2 700 m (4 593 -8 858 ft).RemedyRemove the object(s)from the ventilationopenings or clear aroundthe projector.Reinstall the projector intemperature controlledplace. See page 52.Replace the ARF in theproper method. Seepage 44.Turn on the projector *1and set the ALTITUDE toHIGH. See page 39.*1. The projector will perform only 2 minutes with OFF setting at high elevation.Indicator Illuminating RED Flashing RED Illuminating ORANGE Flashing ORANGEProblem FILTER REMAINING hasturned red. See page 38.The projector cannotdetect the ARF.The ARF cannot operateproperly.FILTER REMAINING hasturned yellow. Seepage 38.CauseARF has been run outand displays a warning for60 seconds.ARF is not attached anddisplays a warning.Foreign object is blockingthe ARF operation.ARF is running out andthe remaining time isabout 240 hours.RemedySee “Replacing the ARF(Auto Rolling Filter)” onpage 44.Attach the ARF.Remove the foreignobject or contact anAuthorised ServiceCentre.Prepare the ARF forreplacement.POWER LAMP FILTERTEMP