Panasonic LB20NTU User Manual

There are two indicators on the control panel of the projector which give
information about the operating condition of the projector. These indicators
illuminate or flash to warn you about problems that have occurred inside the
projector, so if you notice that one of the indicators is on, turn off the power
and check the table below for the cause of the problem.

The surrounding temperature or
the temperature inside the
projector has become unusually
high.

Illuminated (red)

(Lamp unit on)

B The ventilation holes may be covered.
B The ambient temperature in the place of use may be too high.
B The air filter may be blocked.

B Uncover the ventilation holes.
B Set up the projector in a place where the temperature is

between 0 °C (32 °F) and 40 °C (104 °F) and the humidity is
between 20% and 80% (with no condensation). [If you set the
“FAN CONTROL” to “HIGH” (page 47), set up the projector in a
place where the temperature is between 0 °C (32 °F) and 35 °C
(95 °F) and the humidity is between 20% and 80% (with no
condensation).]

B Disconnect the power cord by following the procedure on page

26, and then clean the air filter. (Refer to page 54.)

The surrounding temperature or
the temperature inside the
projector has become
dangerously high, causing the
lamp unit to automatically shut
off.

Flashing (red)

(Lamp unit off)