Sharp XG-NV4SU Specifications download pdf (Page 30)

Maintenance &

Troubleshooting

E-29

Lamp/Maintenance Indicators

Lamp

The lamp in this projector operates for approximately 2,000 cumulative hours, depending on the usage environ-

ment. When the lamp has been used for 1,900 hours, the LAMP REPLACEMENT indicator will light red and

“LAMP” will flash in yellow on the screen. It is recommended that the lamp be replaced after 1,900 cumulative

hours of use or when you notice a significant deterioration of the picture and color quality.

If the lamp has been used for 2,000 hours, the projector power will automatically turn off and the projector will

enter standby mode. If you turn on the power after the lamp has been used for 2,000 hours, “LAMP” will flash in

red on the screen and the power will turn off. See pages 30 and 31 for replacing the lamp. The lamp usage time

can be checked with the On-screen Display (see page 19).

• As the usage environment can vary significantly, the projector lamp may not operate for 2,000 hours.

CAUTION

• Intense light hazard. Do not attempt to look into the aperture and lens while the projector is operating.

Maintenance Indicators

LAMP REPLACEMENT

indicator

TEMPERATURE

WARNING

indicator

• The warning lights on the projector indicate problems inside the pro-

jector.

• There are two warning lights: a TEMPERATURE WARNING indicator

which warns that the projector is too hot, and a LAMP REPLACE-

MENT indicator which lets you know when to change the lamp.

• If a problem occurs, either the TEMPERATURE WARNING indicator

or the LAMP REPLACEMENT indicator will light up red, and the

power will shut off. After turning off the power, follow the procedures

given below.

• If the TEMPERATURE WARNING indicator lights up, follow the above possible solutions and then wait until the projector

has cooled down completely before turning the power back on. (At least 5 minutes.)

• If the power is turned off and then turned on again, as during a brief rest, the LAMP REPLACEMENT indicator may be

triggered, preventing the power from going on. Should this occur, take the power cord out of the wall outlet and put it

back in again.

Problem

• Blocked air intake.

• Clogged air filter.

• Cooling fan breakdown.

• Internal circuit failure.

• Burnt-out lamp.

• Lamp circuit failure.

• Lamp has been used for

over 1,900 hours.

Warning Indicator

The internal

temperature is

abnormally high.

TEMPERATURE

WARNING indicator

LAMP REPLACE-

MENT indicator

The lamp does not

light up.

The lamp requires

replacement.

Condition Possible Solution

• Relocate the projector to an area with

proper ventilation.

• Clean the filter.

(See page 28.)

• Take the projector to your nearest Autho-

rized Sharp Industrial LCD Products Dealer

or Service Center for repair.

• Carefully replace the lamp. (See pages 30

and 31.)

• Take the projector to your nearest Autho-

rized Sharp Industrial LCD Products Dealer

or Service Center for repair.

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Sharp XG-NV4SU Specifications Page 30

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