NEC PA721X - Lamp Indicator

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10. Appendix
Lamp Indicator
Indicatordisplay Projectorstatus Procedure
Off
Thelampisturnedoff. –
Flash-
ing
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).Re-
placethelampassoonaspossible.(→page178)
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178)
Green
Lamplit –
Temp. Indicator
Indicatordisplay Projectorstatus Procedure
Off
Noproblem
Flash-
ing
Red(cycles
of2)
Temperatureproblem Thetemperatureprotectorhasbeenactivated.Ifthe
roomtemperatureishigh,movetheprojectortoacool
place. If the problem still persists, contact an NEC
projectorcustomersupportcenter.
Lit Orange Highsurroundingtempera-
ture
Thesurroundingtemperatureishigh.Lowertheroom
temperature.
If the temperature protector is activated
Iftheprojector’sinternaltemperaturerisesabnormally,thelampturnsoffandthetemperatureindicatorashes(re-
peatedly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174and177)
- Waitassuchabout1hourfortheprojector’sinternaltemperaturetolower.