Hitachi LP-WU9750B, Руководство пользователя

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64
Simple troubleshooting and definition of
the LED indicators
Problem Possible cause Solution
The noise from the cooling fan
suddenly grew louder
1. The temperature inside the projector might have
risen.
2. The OSD Menu set the Higt Altitude Mode
1. When the temperature inside the projector rises,
the cooling fan will operate at a higher speed to
discharge the internal heat more rapidly.
2. Set the High Altitude mode to Off or Auto if the
projector is under 4000ft.
Refer to " Page 49 : High Altitude "
The LED indicator on the
projector’s top panel is blinking
in red
The cooling fan, power....etc. could be faulty.
Refer to the definition of " Page 65 : LED
STATUS "
1. During projection, the light
suddenly goes off and the
picture disappears.
2. The lights does not turn on
even when the projector has
been turned on.
The light module might have been damaged; check
the LED indicator on the front of the projector and
see if it is blinking in red. The light module has reached the end of its service
life; please replace it.