Panasonic PT-TX440

112 - ENGLISH
Warning Indicator
If a problem should occur inside the projector, the warning indicator <WARNING> will inform you by lighting or
blinking. Check the status of the indicators and remedy the indicated problems as follows.
Attention
f Before you take a remedial measure, follow the procedure of switching the power off indicated in “Powering off the projector” (x page 39).
Warning indicator
<WARNING>
INPUT
AV MUTE
VOL+
VOL-
Warning
indicator
<WARNING>
Status Check Solution
Lighting in red
The internal temperature
is high (warning).
f Is the intake/exhaust vent blocked?
f Is the room temperature high?
f Is the air lter unit dirty?
f Is the setting of [HIGH ALTITUDE
MODE] suitable for the altitude where the
projector is located?
f Remove any objects that are blocking the intake
/ exhaust vent.
f Install the projector in a location with an ambient
temperature of 5 °C (41 °F) to 40 °C (104 °F)
*5
.
f Make sure the [PROJECTOR SETUP] menu→
[HIGH ALTITUDE MODE] is set properly
(x page 72).
f Do not use the projector at high altitudes of 2 700
m (8 858') or higher above sea level.
f Clean or replace the air lter unit. (x page 113)
Blinking in
red
*1
The internal temperature
is high (standby status).
Blinking in
red
*2
Time to replace the
lamp unit.
f Is [REPLACE LAMP] displayed when you
turn on the power or switch the input?
Refer to “When to replace the lamp unit”
(x page 115) for details.
f Has the lamp runtime (converted time)
in [PROJECTOR SETUP] menu →
[STATUS] → [RUNTIME] → [LAMP]
reached 20 000 hours.
f Replace the lamp unit.
Blinking in
red
*3
The projector detects an
abnormal condition and
cannot be turned on.
—
f Unplug the AC power cord and contact the dealer
or the service center for service and checkup.
Blinking in
red
*4
A problem is detected
in the luminous lamp or
the power supply for the
luminous lamp.
f Have you turned on the power again
immediately after turning it off?
f Wait a while until the luminous lamp cools off,
and then turn on the power.
f Some error has occurred in the lamp
circuit. Check for uctuation (or drop) in
the source voltage.
f Turn off the projector, and unplug the AC power
cord, and consult your dealer.
*1 The indicator ashes in the cycle: 2.0 seconds (light) → 2.0 seconds (off)
*2 The indicator ashes in the cycle: 2.75 seconds (light) → 0.25 seconds (off) → 0.75 seconds (light) → 0.25 seconds (off)
*3 The indicator ashes in the cycle: 0.5 seconds (light) → 0.5 seconds (off)
*4 The indicator ashes in the cycle: 2.75 seconds (light) → 0.25 seconds (off)
*5 When using the projector at high altitudes (between 1 400 m (4 593’) and 2 700 m (8 858’) above sea level), the ambient temperature
should be between 5 °C (41 °F) and 35 °C (95 °F).
Note
f If the warning indicator <WARNING> is still lighting or blinking after taking the preceding measures, ask your dealer for repair.
Chapter 6 Maintenance - Warning Indicator