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 on the control panel.)
■
*1■*1■*1■*1■*1● The recommended time to replace the lamp has been 
reached.
The 
 will be displayed at the top right of the screen 
to notify the user of replacement.
Replace the lamp unit as soon as possible. Replacing 
the lamp will cause the lamp indicator / to turn off.
*1:  The indicator will turn on or flash under certain conditions, regardless of the status of other indicators.
*2:  The indicator will flash in approximately 1-second intervals.
Note
■
z The status of each lamp can be checked as the lamp indicators / 
on the front of the projector turn on or flash. (
 page 96)
■
■ When there is a problem with the shutter
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■*1H*2■*1
The shutter cannot be opened or closed. The lamp will 
turn off, cooling will begin and the projector will switch 
to the standby mode. The power will turn on and the 
projector will attempt to open the shutter automatically 
up to three times. After three failed attempts, the 
projector will switch to the standby mode after the 
lamp has cooled.
s H
*3s sH*2■*1There is a problem with opening or closing the shutter, 
and the lamp has turned off and is cooling down.
s ●s■
*1H*2■*1There is a problem with opening or closing the shutter, 
and projector will switch to the standby mode after the 
lamp has turned off and cooled down.
*1: The indicator will turn on or flash under certain conditions, regardless of the status of other indicators.
*2:  The indicator will flash in approximately 0.5-second intervals.
*3:  The indicator will flash in approximately 1-second intervals.
Note
■
z The status of each lamp can be checked as the lamp indicators / 
on the front of the projector turn on or flash. (
 page 96) 
						

							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 before wiping. Dry of
f the projector 
with a dry cloth.
■
z Do not use solvents such as benzene, thinner, rubbing alcohol, household cleaners, or chemical wipes. 
Using them may cause deterioration of the outer case.
■
■ Front surface of the lens
Wipe off dirt and dust on the front surface of the lens with a soft, dry, and clean cloth.
■
z Do not use a cloth that is fluffy, dusty, or soaked with oil/water.
■
z Do not use excessive force when wiping the lens as it is fragile.
Attention ■
z Lenses are made of glass. Impacts or excessive force when wiping may scratch its surface. Please handle with 
care.
■
z Never use flammable solvents or air sprays on or around the projector
. The temperature within the projector 
may be extremely hot due to the projection lamp operation. An explosion or fire may still occur even after 
turning off the projector. Other than flammable air spray, the internal parts may also become damaged due to 
cold air. 
						

							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 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) 
Clean the air filter.
■
z Removing the dust from the air filter
(i) 
Remove the dust from the air filter using a vacuum or other cleaner .
•■ If the dust persists after cleaning with a vacuum, wash the air filter in water
.
■
z Washing the air filter
(i) 
Soak the air filter in water or warm water and rinse it lightly.
•■ Do not use materials such as blushes or detergent.
•■ When you rinse the air filter, hold the frame and avoid excessive force on the filter part. 
						

							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 to the original position.
■
z Perform Step 1) in the reverse order.
6) 
Reset the filter counter.
■
z Turn on the power and perform [Filter counter reset] in the [Setting] menu.
Attention ■
z After washing the air filter, dry it thoroughly before attaching to the projector. Attaching wet air filter may cause 
electric shock or malfunction.
Note ■
z Be sure to attach the air filter properly. If you use the projector without attaching the air filter, the projector may 
be damaged due to the dirt or dust.
■
z If the air filter has been damaged or dirt remains even after washing it, replace it with a a new filter (Product 
No.: ET-RFE12).
■
z It is recommended that the air filter is replaced after two times of cleaning and reusing.
■
z After washing, the capability of the air filter may decrease.
■
z After washing the air filter, reset the filter counter. Otherwise, the power of the projector may be turned off for 
safety.  
						

							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 with its tabs facing down.
4) 
Slide the air filter cover to the original position.
■
z Perform Step 1) in the reverse order.
5) 
Reset the filter counter.
■
z Turn on the power and perform [Filter counter reset] in the [Setting] menu.
Attention ■
z Make sure to turn off the power before replacing the air filter.
■
z Before attaching a new air filter, be sure to remove the packing material of the air filter.
■
z When attaching the unit, make sure that the projector is stable. Perform the replacement in a safe place where 
the projector will not be damaged even if you drop the air filter
.
■
z When turning the projector on, make sure that the air filter is installed before using the projector
. Failure to do 
so may cause damage.
■
z After replacing the air filter, reset the filter counter. Otherwise, the power of the projector may be turned off for 
safety. 
						

							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 ■
z Do not replace the lamp unit until it has cooled down sufficiently
. (Wait at least 60 minutes after use.)
The inside of the cover is very hot and may cause burns.
■
■ Notes on the replacement of the lamp unit
■
z Since the luminous lamp is made of glass, it may burst if dropped or hit with a hard object. Please handle 
with care.
■
z A Phillips screwdriver is necessary when replacing the lamp unit.
■
z When replacing the lamp unit, be sure to hold it by the handle.
■
z The lamp contains mercury. When disposing of the used lamp unit, ask your nearest local authorities or 
dealer about proper disposal of the unit.
Attention ■
z Use only specified lamp units.
■
z The product numbers of accessories and separately sold components are subject to change without notice.
■
z Replacement of all two lamps simultaneously is recommended to ensure a balanced brightness and tint.
■
■ When to replace the lamp unit
The lamp unit is a consumable component. Replace the lamp unit regularly
, as its brightness gradually 
decreases over time. The estimated duration before replacement is 2 000 hours (when [Lamp power] is set to 
standard). However, this may shorten depending on individual lamp characteristics, usage conditions, and the 
installation environment. Earlier replacement of lamp units is recommended for this reason.
The duration exceeds 2 200 hours of usage for one lamp, the lamp will be switched to the other one if it is 
available.
If the power is turned on without replacing the lamps after the duration exceeds 2 200 hours of usage for all 
lamps, the power automatically turns off after approximately ten minutes to prevent the malfunction of the 
projector.
On-screen display Lamp indicator /
The lamp replacement instructions notify the 
replacement time, and the lamp status notifies which 
lamp to replace. Turns orange.  
						

							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) 
Check which lamp to replace with the lamp status displayed on the screen, or the 
lamp indicators /.
2) After following the procedures described in  “Powering off the projector” ( page 44) 
and pressing the 
 side of the main power switch to turn off the power, disconnect 
the power plug from the power outlet, and wait at least 60 minutes, and then check if 
the lamp unit has cooled down.
3)  Use a Phillips screwdriver to turn the lamp cover fixing screw until it turns freely , 
and then open the lamp cover.
■
z Pull the lamp cover in the direction of arrow (i) and lift it up in the direction of arrow (ii) to open.
(i)
(i) (ii)
Lamp cover
Screw  
						

							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 a Phillips screwdriver to firmly tighten the lamp cover 
fixing screw.
Note
■
z When replacing with the new lamp unit (Product No.: ET-LAE12), the projector resets the total usage time of 
the lamp unit automatically.
■
z After replacing the lamp unit, be sure to tighten the lamp cover fixing screw
. If not, the lamp unit may drop off 
while projecting.
TURN OFF THE UV LAMP BEFORE OPENING THE LAMP COVER
To prevent glass fragments from scattering, hold the lamp unit vertically when replacing it. When the 
projector is attached to the ceiling, do not work directly under the lamp cover or put your face near it. 
Remove the lamp cover slowly.
LAMP NO. : ET-LAE12 
						

							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 (output) device connected correctly?
36
■
z Is the input selection set correctly?
47
■
z Is the external device that is connected to the projector working 
properly? —
■
z Is the projector being used within the operating temperature range (0˚C 
(32˚F) to 40˚C (104˚F))? 115
■
z Is the shutter closed?
47
The picture is fuzzy. ■
z Is the lens focus set correctly?
46
■
z Is the projection distance appropriate?
33
■
z Is the lens dirty?
92
■
z Is the projector installed perpendicular to the screen?
—
■
z Is there condensation on the lens?
—
The color is pale/
The tint is grayish. ■
z Are [Color] and [Tint] adjusted correctly?
60
■
z Is the device that is connected to the projector adjusted correctly?
—
■
z Is the RGB cable damaged?
—
The picture is dark. ■
z Are [Contrast] and [Brightness] adjusted correctly?
60
■
z Is [Image select] adjusted correctly?
59
■
z Is [Lamp select] set to [1-Lamp]?
70
■
z Is [Lamp power] set to eco mode?
70
■
z Is it time for the lamp to be replaced?
96
The remote control 
does not work. ■
z Are the batteries flat?
—
■
z Are the batteries inserted in the correct direction?
24
■
z Is the remote control / switch set to ?
19
■
z Are there any obstructions between the remote control and the 
projector's remote control sensor? 19
■
z Is the remote control being used beyond its effective operating range?
19
■
z Are other forms of light, such as fluorescent lights, affecting the 
projection? 19
■
z Is the remote control cable connected to the projector?
24
■
z Is the remote control operation locked with [Key lock] in the [Setting] 
menu? 79
■
z Is [RC sensor] set correctly in the [Setting] menu?
77
■
z Has the remote control number been changed?
24, 77 
						

							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 projector receiving incompatible signals?
111
The picture from 
the computer is not 
displayed. ■
z Is the cable too long? (Use a cable that is 10 m (32'10") or shorter
.)—
■
z Is [Input] selected correctly?
54
■
z Is [PC adjust] adjusted correctly?
56
■
z Is the external video output of the laptop computer set correctly? 
(Example: The external output settings may switch by pressing the Fn + 
F3 or Fn + F10 keys simultaneously. Refer to the user manual provided 
with your computer, as the method varies depending on the type of 
computer.) —
[Auto PC adj.] does 
not work. ■
z Is the projector receiving incompatible signals?
111
■
z Is an incompatible signal selected with [System]?
55
There is no 
picture from HDMI 
compatible devices, 
or the picture is 
distorted. ■
z Is the HDMI cable firmly connected?
36, 37
■
z Turn off/on the power of the projector and connected devices.
—
■
z Is an incompatible signal connected?
113
The power turns off 
by itself. ■
z Is [Shut down] set with [Power management] in the [Setting] menu?
78
■
z Is the projector being used without replacing the air filter or performing 
[Filter counter reset] after 
 is displayed in the top right of the screen? 83
The shutter function 
does not work. ■
z Is [Protection] in [Shutter] set correctly in the [Setting] menu?
80
Attention ■
z If problems persist even after checking the preceding points, consult your dealer
.
■
z Consult your dealer if you have forgotten the logo password or password.