Warning Indicator - Panasonic PT-TW381R Operating Instructions Manual

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 40).
Warning indicator
<WARNING>
Warning indicator
<WARNING>
The internal temperature is high
Lighting in red
(warning).
The internal temperature is high
Blinking in red
*1
(standby status).
Blinking in red Time to replace the lamp unit.
*2
The projector detects an
Blinking in red abnormal condition and cannot
*3
be turned on.
A problem is detected in the lumi-
Blinking in red nous lamp or the power supply
*4
for the luminous lamp.
*1 The indicator flashes in the cycle: 2.0 seconds (light) → 2.0 seconds (off)
*2 The indicator flashes in the cycle: 2.75 seconds (light) → 0.25 seconds (off) → 0.75 seconds (light) → 0.25 seconds (off)
*3 The indicator flashes in the cycle: 0.5 seconds (light) → 0.5 seconds (off)
*4 The indicator flashes 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.
112 - ENGLISH
Chapter 6 Maintenance - Warning Indicator
VOL-
VOL+
AV MUTE
Status
f Is the intake/exhaust vent
blocked?
f Is the room temperature
high?
f Is the air filter unit dirty?
f Is the setting of [HIGH
ALTITUDE MODE] suitable
for the altitude where the
projector is located?
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 Have you turned on the
power again immediately
after turning it off?
f Some error has occurred in
the lamp circuit. Check for
fluctuation (or drop) in the
source voltage.
Check
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)
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 filter unit. (x page 113)
f Replace the lamp unit.
f Unplug the AC power cord and contact the dealer
—
or the service center for service and checkup.
f Wait a while until the luminous lamp cools off,
and then turn on the power.
f Turn off the projector, and unplug the AC power
cord, and consult your dealer.
Solution
.
*5