Panasonic LCD Projector PT-AR100U Operating Instructions

TEMP and LAMP Indicators
ENGLISH - 71
Maintenance
TEMP and LAMP Indicators
Managing the indicated problems
If a problem should occur with the projector, the lamp indicator  and/or temperature indicator  
will illuminate or flash. Check the indicator status and deal with problems as follows.Attention
When switching off power to deal with problems, ensure that you follow the procedure in “Switching off the power”. 
 
z
(
 page 29)
Note
Check the status of the power supply with the power indicator . (
 
z...

TEMP and LAMP Indicators 
72 - ENGLISH
Maintenance
 
■ Lamp indicator 
Indicator 
status Illuminated red
Flashing red
Problem
Time to replace the lamp unit. Illuminates when 
the lamp unit has reached its maximum usage 
period of 1 800 hours (when [LAMP POWER] 
is set to [NORMAL]). 
Lamp circuit failure, abnormal function or lamp unit 
is damaged.
Cause A message suggesting lamp replacement 
is displayed when power is turned on. The power may 
have been turned on 
immediately after being 
turned off.Lamp...

Care and replacement
ENGLISH - 73
Maintenance
Before cleaning the projector / 
replacing components
Attention
Turn off the  switch and disconnect 
 
z
the power plug from the wall outlet before cleaning the 
projector/replacing components.
Follow the “Switching off the power” procedure when 
 
z
turning off the projector. (
 page 29)
Cleaning the projector
 
■ Cleaning the outer surface of the 
projector
Wipe off dirt and dust gently with a soft dry cloth.
If it is difficult to remove the dirt, soak a...

Care and replacement 
74 - ENGLISH
Maintenance
Attach the air filter unit to the projector.
4)  
  Attach the air filter unit to the projector using the 
 
z
reverse of the procedure in 2).
*   Insert the air filter unit into the projector in the 
direction of the arrow engraved into the air filter 
frame (
UP) until it clicks into place.
Attach the air filter cover, and firmly 
5)  
tighten the air filter cover fixing screw 
(one) with a Philips screwdriver.
Attention
The air filter unit must always be...

Care and replacement
ENGLISH - 75
Maintenance
Component replacement
 
■ Air filter and 
electrostatic filter
The air filter should be replaced when cleaning is ineffective.   
A replacement air filter / electrostatic filter is available separately (service component).    
Contact your dealer for the optional air filter and electrostatic filter . 
 Also, please replace the air filter and electrostatic filter when replacing the lamp unit.   
 (An air filter and electrostatic filter are included with the...

Care and replacement 
76 - ENGLISH
Maintenance
 
■ When to replace the lamp unit
The lamp unit is a consumable component. Brightness decreases according to duration of usage, so periodical replacement 
of the lamp unit is necessary. A rough estimate for the usage period is 2 000 hours, but depending on the characteristics of 
individual lamps, usage conditions, periods of continuous use, and environmental conditions etc., the lamp may cease to 
illuminate prior to reaching 2 000 hours of use. It is...

Care and replacement
ENGLISH - 77
Maintenance
 
■ Lamp unit replacement procedure
Attention
Once a lamp unit has exceeded its lifespan of 2 000 
 
z
hours (when [LAMP POWER] is set to [NORMAL]) the 
projector can only be used for 10 minutes after turning 
on. (
 page 76)  
Perform steps 20) to 23) of the procedure within 10 
minutes.
If the projector is installed on the ceiling, do not carry out 
 
z
any replacement procedure directly underneath the lamp 
unit and keep your face away from the unit.
Do...

Care and replacement 
78 - ENGLISH
Maintenance
Remove the air filter cover.
1 1)  
Using a Phillips screwdriver to turn the fixing screw 
 
z
of the air filter cover until loose and remove the 
cover.
Air filter cover
Air filter cover fixing 
screw
Remove the air filter unit.
12)  
Hold the grips on the air filter unit, and remove it 
 
z
from the projector.
Air filter unit
Grips (
UP
 arrow engraved)
*  
After removing the air filter unit, remove any large 
build ups of dirt or dust in the air filter...

Care and replacement
ENGLISH - 79
Maintenance
Press the  button to display the 
20)  
menu screen and select [OPTION] with 
the ▲▼ buttons.
Press the  button and select 
21)  
[LAMP RUNTIME] with the ▲▼ buttons.
Hold the  button down for 3 
22)  
seconds.
The confirmation message is displayed.
 
z
LAMP  RUNTIME
LAMP RUNTIME RESET .
CANCELOK
Select [OK] with the ◄ ► buttons and 
23)  
then press the  button.
LAMP RUNTIME is reset to “0”, and the projector 
 
z
powers off. After a short while, the...

Troubleshooting 
80 - ENGLISH
Maintenance
Troubleshooting
Re-confirm these points. 
See the relevant page for details.
Problem CausePage
Power does not turn 
on.
The power cord may not be connected.
 
z
The  switch is turned .
 
z
The wall outlet may not be supplying electricity.
 
z
The circuit breakers may have tripped.
 
z
 indicator or  indicator is illuminated or flashes.
 
z
The lamp unit may not have been installed correctly.
 
z 27
28
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71 
77
No picture appears.
The signal input source may not...