PT-TW371R (serv.man3) - Panasonic Projector Service Manual (repair manual). Page 24

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INF-14
SECTION 1 SERVICE INFORMATION
<TW371R>
4. Troubleshooting
4. 1. LED indicators
When an indicator lights up
If a problem should occur inside the projector, the power indicator <ON(G)/STANDBY(R)> and 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
 
● Before you take a remedial measure, follow the procedure of switching the power off indicated in “Powering Off the Projector”  
  of the Operating Instructions.
Power indicator 
<ON(G)/
STANDBY(R)>
Warning 
indicator
<WARNING>
Status
Cause
Solution
Off
Off
The power plug is not 
connected to the outlet.
--
Connect the power plug 
to an outlet.
Red
Blinking Lighting in red
It has reached the 
replacement time of the lamp 
unit. 
 
f
The indicator lights up when 
the usage time of the lamp 
unit reaches  
20 000 hours (when [Lamp 
control] is set to  
[   (Eco)]).
 
f
Replace the lamp unit.
Blinking Blinking in red
It has exceeded the 
replacement time of the 
lamp unit and the projector is 
turned off automatically.  
 
f
The indicator blinks when 
the usage time of the lamp 
unit reaches  
22 000 hours (when [Lamp 
control] is set to  
[   (Eco)]).
Green
Lighting Lighting in red
The replacement time of 
the lamp unit is displayed. 
(Projecting)
 
f
Is the lamp replacement 
warning icon 
 
displayed when turn on or 
turn off the projector?
 
f
The indicator lights up when 
the usage time of the lamp 
unit reaches  
20 000 hours (when [Lamp 
control] is set to  
[   (Eco)]).
 
f
Replace the lamp unit.
Lighting Blinking in red
It has exceeded the 
replacement time of the 
lamp unit and the projector is 
turned off automatically.
 
f
The indicator blinks when 
the usage time of the lamp 
unit reaches  
22 000 hours (when [Lamp 
control] is set to  
[   (Eco)]).
Power  indicator  <ON(G)/STANDBY(R)>
Warning  indicator  <WARNING> 
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