Read Panasonic PT-TW371R (serv.man3) Service Manual online
INF-15
SECTION 1 SERVICE INFORMATION
<TW371R>
Power indicator
<ON(G)/STANDBY(R)>
Warning
indicator
<WARNING>
Status
Cause
Solution
Green
Blinking
Off
The power cord is plugged
and the lamp is turned off.
(Ready state)
f
[Power management] is set to [Ready].
If a video signal is input in Ready mode, or when you
press any button other than the power
<v/b> button, the luminous lamp turns on and the
projector enters the projection state. Pressing the
power <v/b> button during the Ready state will enter
the standby state.
Orange
Lighting
Off
The projector detects an
abnormal condition and
cannot be turned on.
(Warning)
--
f
If the projector is turned
off, unplug the AC
power cord and repair
it.
Lighting
Lighting
There is a problem in the
contrast shutter circuit for
iris. (Warning)
--
f
Turn off the projector,
unplug the AC power
cord and repair it.
Blinking
Blinking
The lamp or the power
supply for the lamp detects
an abnormal condition, the
projector cannot be turned
on. (Warning)
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
There is a problem in
the lamp circuit. Have
the source voltage been
changed? (Drop)
f
Turn off the projec-
tor, and unplug the AC
power cord, and repair
it.
Blinking
Off
Internal temperature is
high. (Warning)
When the internal tem-
perature rises further and
the air filter warning icon
*1
is displayed on the screen,
after a while the projector
can be turned off automati-
cally.
f
Is the air intake/exhaust
port blocked?
f
Is the room temperature
high?
f
Is the air filter unit
clogged?
f
Remove any objects
that are blocking the air
intake/ exhaust port.
f
Install the projector in a
location with an ambient
temperature of 5 °C (41
°F) to 40 °C (104 °F).
f
Do not use the projector
at high altitudes of
2 700 m (8 858') or
higher above sea level.
f
Clean the air filter unit
or replace it.
*
1 Regardless of the time which is set in [Expand] → [Filter counter], the air filter warning icon
is displayed due
to the internal temperature rising, and it will be displayed 10 seconds every five minutes if the temperature does not go down.
Note
f
If the warning indicator <WARNING> persists to light or blink after taking these measurements such as turn off the projector, unplug the
power cord, please repair it.
f
If the power indicator <ON(G)/STANDBY(R)> persists to light or blink in orange after taking these measurements such as turn off the pro-
jector, unplug the power cord, please repair it.
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