Bedienungsanleitung Mitsubishi WD720U (Seite 56 von 61) (Englisch)

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EN-56

Troubleshooting (continued)

Others (continued)

Problem Solution

The fans sound during

standby.

• WhenStandbyModeoftheEfcientModemenuintheInstallationmenuissetto

LAN, Speaker Out, or Monitor Out, the fans rotate at very low speed during standby

after plugging the power cord (with 5 second high speed rotation at the beginning)

and after turning off the lamp. This is to cool down the projector operating various

functions during standby and is not a malfunction.

Abnormal sound is

heard.

• Becausethecolorwheelspinsatahighspeed,metallicsoundsmaybeheardinrare

occasions. Such symptom is not a malfunction.

If the following problem occurs after the lamp is replaced, check the following ﬁrst.

Problem Solution

The projector does not

turn on.

• Fitthelampcoversecurely.(Seepage51or52.)

• Resetthelampoperatingtime.(Seepage52.)

The STATUS indicator

blinks.

• Resetthelampoperatingtime.(Seepage52.)

Maintenance

Warning:

• Donotuseammablesolvents(benzene,thinner,etc.)andammableaerosolswhencleaningtheprojectorbody

and lens. Flammable substances may ignite causing ﬁre or breakdown while the lamp is illuminating.

Caution:

• Besuretoturnoffthelampandunplugthepowercordfromthewalloutletbeforeyouperformanymaintenance

on the projector.

• Askyourdealerforannualcleaningoftheinsideoftheprojector.Ifyoucontinuetousetheprojectorwithdust

inside, it may result in ﬁre or malfunction.

Cleaning of the projector and the vents

Use a soft cloth to clean the projector and the vents. When the vents become dirty, wipe them with a soft cloth

dampened with diluted mild detergent, and then wipe them with a dry cloth.

To protect the surface of the projector from fading or deteriorating:

• Donotsprayinsecticideonorinsidetheprojector.

• Donotusebenzinorthinnertocleanit.

• Donotletrubberorplasticmaterialscontactwithprojector.

Cleaning of the lens

Use a standard lens-cleaning brush or a piece of lens tissue dampened with lens cleaning ﬂuid. The lens surface is

fragile. Use only recommended, nonabrasive lens-cleaning materials. Do not touch the lens with your ﬁngers.

Kensington Lock

This projector has a Kensington Security Standard connector for use with Kensington MicroSaver Security System.

Refer to the information that came with the Kensington System for instructions on how to use it to secure the

projector. Please contact Kensington Technology Group below.

Kensington Technology Group

2855 Campus Drive

SanMateo,CA94403,U.S.A.

Phone:+1-(650)572-2700 Fax:+1-(650)572-9675

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