PT-LW362, PT-LW312, PT-LB412, PT-LB382, PT-LB332 (serv.man2) - Panasonic Projector Service Manual (repair manual). Page 9

Green

Lighting

Off

Projecting

--

--

Lighting

Lighting in red

The replacement time of 
the lamp unit is displayed. 
(Projecting)

 Is the lamp replacement
    warning icon 
    displayed when turn on or 
    turn off the projector?
The indicator lights up when the
   usage time of the lamp unit 
   reaches 6 000 hours (when
   [Lamp control] is set to

   [ 

 (Eco 1)]).

 Replace the lamp unit.

Lighting

Blinking in red

It has exceed the replacement 
time of the lamp unit and 
the projector is turned off 
automatically. 

 The indicator blinks when the 

usage time of the lamp unit 
reaches 6,600 hours (when 
[Lamp control] is set to

     [ 

  Eco1]).

Blinking

Off

The power cord is plugged and 
the lamp is turned off. [Power 
management] is set to [Ready].

--

--

Orange

Lighting

Off

The projector detects an 
abnormal condition and cannot 
be turned on. (Warning)

--

 If the projector is turned off, 
    unplug the AC power cord 
    and contact the dealer. 

Lighting

Lighting

There is a problem in the 
contrast shutter circuit for iris. 
(Warning)

--

 Turn off the projector, unplug 
    the AC power cord and 
    contact the dealer.

Blinking

Blinking

The lamp or the power
supply for the lamp detects
an abnormal condition, the
projector cannot be turned
on. (Warning)

 Have you turned on the
    power again immediately
    after turning it off?

 Wait a while until the
    luminous lamp cools
    off, and then turn on the
    power.

 There is a problem in
    the lamp circuit. Have
    the source voltage been
    changed? (Drop)

 Turn off the projector, unplug 
    the AC power cord and 
    contact the dealer.

Blinking

Off

Internal temperature is high. 
(Warning)
When the internal temperature 
rises further and the air filter 
warning icon 

 *1 is 

displayed on the screen, after 
a while the projector can be 
turned off automatically.

 Is the air intake/exhaust port 
    blocked?
 Is the room temperature high?
 Is the air filter unit clogged?

 Remove any objects that
    are blocking the air intake/  
    exhaust port.
 Install the projector in a 
    location with an ambient 
    temperature of 5 °C (41 °F) 
    to 40 °C (104 °F).
 Do not use the projector at 
    high altitudes of 3 000 m 
    (9 843') or higher above sea 
    level.
 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.

 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 contact your dealer for repair services.
 If the power indicator <ON(G)/STANDBY(R)> persists to light or blink in orange after taking these measurements such as turn 
   off the projector, unplug the power cord, please contact your dealer for repair services.