Panasonic Projector Pt Ex12ku Operating Instructions

About indicator status
ENGLISH - 91
Maintenance
■
■ When there is a problem with the lamp
The status of the indicator is displayed with the following symbols.
s: Off, 
●: On, 
H: Flashing, 
■: On or Flashing
Indicator
Status of the projector
Green RedRed Orange Blue
/  Orange
■*1■*1■*1■*1■*1H*2
Either or both of the lamps do not turn on. (If both 
of the lamps fail, they are cooling down. After the 
standby indicator  turns on again, press 
the power  button on the remote control 
or the power 
 button...

Maintenance/replacement 
92 - ENGLISH
Maintenance
Maintenance/replacement
Before cleaning/replacing the unit
■
z When cleaning or replacing the unit, always turn off the power and remove the power plug from the outlet. 
(
 pages 41, 44)
■
z When turning off the power, make sure to follow the procedures in “Powering off the projector” (
 page 44).
Maintenance
■
■ Outer case
Wipe off dirt and dust with a soft, dry cloth.
■
z If the dirt is persistent, soak the cloth with water and wring it thoroughly...

Maintenance/replacement
ENGLISH - 93
Maintenance
■
■ Air filter
Clean the air filter in the following cases.
■
z When the replacement message is displayed and the filter indicator  lights up due to 
a blockage.
■
z The temperature inside the projector becomes high and the temperature indicator  
lights, causing the projector turn off, due to a blockage. (When the power if turned off, the temperature 
indicator  and standby indicator  flashes.)
1)  Slide the air filter cover.
■
z Pull and slide the air...

Maintenance/replacement 
94 - ENGLISH
Maintenance
(ii) Change the water two or three times while you rinse the air filter .
•■ Rinse it until the cloud of the water clears. If the air filter is not rinsed sufficiently
, odor may result.
■
z Drying the air filter
Naturally dry the air filter in a well-ventilated place, avoiding dust and direct sunlight.
•■Do not use a hair drier or other drier.
4) 
Attach the air filter.
■
z Insert the air filter with its tabs facing down.
5) 
Slide the air filter cover...

Maintenance/replacement
ENGLISH - 95
Maintenance
Replacing the parts
■
■ Air filter
The replacement filter (Product No.: ET-RFE12) is optional. To purchase the product, consult your dealer.
■
■ Replacement of the air filter
1) 
Slide the air filter cover.
■
z Pull and slide the air filter cover in the direction shown by the arrow
.
■
z The top part of the air filter appears.
2) 
Remove the air filter.
■
z Hold the grip of the air filter to pull up.
3) 
Attach a new air filter.
■
z Insert a new air filter...

Maintenance/replacement 
96 - ENGLISH
Maintenance
■
■ Lamp unit
The lamp unit is a consumable component. Check the lamp usage duration with “[Information] menu” 
(
 page 85) and perform regular replacement.
If the replacement message 
 is displayed on the screen and the lamp indicators / turn on, replace the lamp units.
It is recommended that you request a qualified technician to replace the lamp unit. Consult your dealer .
Consult your dealer to purchase the part ET-LAE12 (serviceable part).
Attention...

Maintenance/replacement
ENGLISH - 97
Maintenance
■
■ Replacing the lamp unit
Attention
■
z Turn off the UV lamp before opening the lamp cover.
■
z When the projector is mounted on the ceiling, do not put your face near the lamp unit.
■
z Attach the lamp unit securely.
■
z If the lamp unit is not attached properly, remove it and then attach it again. Forcing the lamp unit in may break 
the connector.
■
z The glass surface may be hot. When replacing the lamp unit, be sure to hold it by the handle.
1)...

Maintenance/replacement 
98 - ENGLISH
Maintenance
4) Use a Phillips screwdriver to turn the lamp unit fixing screws (two screws) until 
they turn freely, and then holding the handle, slowly pull out the lamp unit from the 
projector.
/DPS
6FUHZ
6FUHZ/DPS
5) 
Insert the new lamp unit taking note of its direction, and use a Phillips screwdriver to 
firmly tighten the lamp unit fixing screws (two screws).
■
z Do not smear the glass surface by touching it with your hand.
6) 
Close the lamp cover, and use...

Troubleshooting
ENGLISH - 99
Maintenance
Troubleshooting
Review the following points. For details, refer to the corresponding pages.
ProblemPoints to be checked Page
Power does not turn 
on. ■
z Is the power plug firmly inserted into the outlet?
—
■
z Is the main power switch turned to 
?
44
■
z Is the power supplied from the outlet?
—
■
z Have the circuit breakers tripped?
—
■
z Is the power indicator  turned off?
42
■
z Is the temperature indicator  flashing?
87
No picture appears. ■
z Is the picture...

Troubleshooting 
100 - ENGLISH
Maintenance
ProblemPoints to be checked Page
The control buttons 
of the projector do 
not work. ■
z Is the projector operation locked with [Key lock] in the [Setting] menu?
79
The correct picture 
is not displayed. ■
z Is [Input] selected correctly?
54
■
z Is [Image adjust] adjusted correctly?
60
■
z Is [Screen] selected correctly?
65
■
z Is the lens shift in its maximum position?
45
■
z Is there a problem with the video tape or other picture sources?
—
■
z Is the...