XV-Z12000. Version 1.3 - Sharp Projector Handy Guide. Page 8

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The warning lights on the projector indicate problems inside the projector.

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There are two types of warning lights: a TEMPERATURE WARNING indicator that warns
you when the projector is too hot, and a LAMP REPLACEMENT indicator that warns you
when to change the lamp.

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If a problem occurs, either the TEMPERATURE WARNING indicator or the LAMP
REPLACEMENT indicator will illuminate in red. After turning off the power, follow the
procedures given below.

If the temperature inside the projector increases, due
to blockage of the air vents, or the setting location,
“TEMP ” will blink in the lower left corner of the
picture. If the temperature keeps on rising, the lamp
will turn off and the temperature warning indicator
will blink, the cooling fan will run for further 90
seconds, then the power will be shut off. After
“TEMP” appears, be sure to perform the following
measures.

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The lamp life used for approximately 1,900
hours.

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When the remaining lamp life used becomes
1,900 or less, “Lamp Warning Icon” will be
displayed on the screen in yellow. When the
hours used becomes 2,000, “Lamp Warning
Icon” will change to “Lamp Warning Icon” (red),
the lamp will automatically turn off and then the
projector as well. At this time, the lamp
replacement indicator will illuminate in red.

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If you try to turn on the projector a fourth time
without replacing the lamp, the projector will not
turn on.