NEC PX750U - Shutter Indicator

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9. Appendix
LAMP1/LAMP2Indicator
Indicatordisplay Projectorstatus Procedure
Off
Thelampisturnedoff. –
Flashing Green
Preparingtorelightlampafter
lightinghasfailed
Waitawhile.
Red Lampreplacementgrace
period
Thelamphasreachedtheendofitsservicelifeand
isnowinthereplacement graceperiod (100hours).
Replacethelampassoonaspossible.(→page174)
Red(cycles
of6)
Lampdoesnotlight Thelamphasnotturnedon.Waitatleast1minute,then
turnthepowerbackon.Ifthelampstilldoesnotlight,
contactanNECprojectorcustomersupportcenter.
Lit Red Lampusagetimeexceeded Thelamphasexceededitsusagetime.Theprojector’s
powercannotbeturnedonuntilthelampisreplaced.
(→page174)
Green
Lamplit –
TEMP. Indicator
Indicatordisplay Projectorstatus Procedure
Off
Noproblem
Flashing Red Temperatureproblem The temperatureprotector has been activated. If the
roomtemperatureishigh,movetheprojectortoacool
place.IftheTEMP.indicatorstillbeashingwhenthe
projectorisusedatoperatingtemperatures,contactan
NECprojectorcustomersupportcenter.
Orange Warmingup Theusageenvironmenttemperatureislowerthanthe
projector’s operating temperature (0°C). Inthat case,
raisetheusageenvironmenttemperaturetoa0°Cor
higherandturnontheprojector.Iftheprojectoristurned
onataround0°C,itmaytake5minutestowarmupthe
projector.Duringthiswarm-upperiodtheTEMP.indicator
willash.Whenthewarm-upiscompleted,theTEMP.
indicatorwillgooff.
SHUTTER Indicator
Indicatordisplay Projectorstatus Procedure
Off Light –
On Green
Lightshuttered –
If the temperature protector is activated
Iftheprojector’sinternal temperaturerises abnormally, the lamp turns off and thetemperatureindicator ashes
(repeatedlyincyclesof2).
Itmayhappenthattheprojector’stemperatureprotectorissimultaneouslyactivatedandtheprojector’spowerturns
off.
Ifthishappens,dothefollowing:
- Unplugthepowercordfromthepoweroutlet.
- Ifusinginaplacewherethesurroundingtemperatureishigh,movetheprojectortoadifferent,coolplace.
- Ifthereisdustintheventilationholes,clean.(→ pages 171and173)
- Waitassuchabout1hourfortheprojector’sinternaltemperaturetolower.