Indicators - Panasonic PT-L520U Operating Instructions Manual

Indicators

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.
TEMP indicator
Indicator Illuminated (red)
display (Lamp unit on)
The surrounding The temperature
temperature or the inside the projector
temperature inside has become
the projector has dangerously high, or
become unusually the temperature has
high. suddenly changed.
Problem
B The ventilation holes may be covered.
Possible
B The ambient temperature in the place of use may be too high.
cause
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 41), set up the projector in a
Remedy
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 Turn off the MAIN POWER switch by following the procedure
on page 27, and then clean the air filter (refer to page 48).
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Flashing (red) Flashing (red)
(Lamp unit on) (Lamp unit off)
The surrounding
temperature or the
temperature inside
the projector has
become dangerously
high, causing the
lamp unit to be
automatically shut
off.
LAMP indicator
Indicator
Illuminated (red)
display
It is nearly time to An abnormality has been detected in the lamp
replace the lamp circuit.
Problem
unit.
B Does "REPLACE B The power may
LAMP" appear on have been turned
Possible
the screen after on straight away
cause
the projector is after it was turned
turned on? off.
B This occurs when B Wait for a while
the operation time until the lamp unit
for the lamp unit is cools down before
nearing 1 800 turning the power
hours. (when back on again.
LAMP POWER
has been set to
Remedy
"HIGH") Ask your
dealer or an
Authorised
Service Center to
replace the lamp
unit.
NOTE:
B Be sure to turn off the MAIN POWER switch by following the procedure
given in "Turning off the power" on page 27 before carrying out any of the
procedures in the "Remedy" column.
B If the main power turns off after the TEMP indicator starts flashing, it
means that an abnormality has occurred. Please contact an Authorised
Service Center so that the necessary repairs can be made.
Flashing (red)
B There may be an
abnormality in the
lamp circuit.
B Turn off the MAIN
POWER switch by
following the
procedure given
on page 27, and
then contact an
Authorised
Service Center.
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