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INF-25
SECTION 1 SERVICE INFORMATION
5. 3. 5. Air filter maintenance
Perform maintenance of the air filter in the following case.
• The air filter is clogged with dust, causing the filter replacement message to appear on the screen and the filter indicator
<FILTER> to light in red.
Attention
• Make sure to turn off the power before performing maintenance on the air filter unit.
• Make sure that the projector is stable, and perform the maintenance in a safe place where the unit will not be damaged even
if you drop the air filter unit.
5. 3. 6. Cleaning procedure for Air filter unit
Air filter cover
Air filter fixing screw
Tabs on the projector
Air filter unit
Air filter unit compartment and
the projector’s air intake port
Fig. 1
Fig. 2
Fig. 3
1) Remove the air filter cover. (Fig. 1)
• Use a Phillips screwdriver to turn the air filter cover fixing screw (x1) counterclockwise until it turns freely, and gently pull
open in the direction of the arrow with your finger placed on the indent of the air filter cover and remove the cover.
• When pulling open the air filter cover, be sure to firmly hold the air filter cover with your hand. Opening the air filter cover
quickly may result in the cover falling.
2) Remove the air filter unit.
• Pull out the air filter unit from the tabs of the projector while slightly pressing the tab at the center of the frame at the con-
necting terminal side (rear side) inward as shown by the arrow, and remove the air filter unit. (Fig. 2)
• After pulling out the air filter unit, remove foreign objects and dust from the air filter unit compartment and the projector’s
air intake port if there are any. (Fig. 3)
Fig. 4
Fig. 5
3) Wash the air filter unit. (Fig. 4)
i) Soak the air filter unit in cold or warm water and then lightly rinse it.
• Do not use cleaning tools such as brushes.
• When rinsing, hold the frame of the air filter unit without putting strong pressure on the filter.
ii) Rinse the air filter unit two to three times using fresh water each time.
• Insufficient rinsing may result in odors.
4) Dry the air filter unit. (Fig. 5)
• Let the air filter unit naturally dry off in a well-ventilated place where there is little dust and is not exposed to direct sun-
light.
• Do not dry using drying devices such as dryers.
• After the air filter unit is dried, proceed to “Attaching the air filter unit”.
5) Attach the air filter unit to the projector.
• Perform Step 2) in the reverse order.
• Push in the air filter unit securely until it clicks into place.
6) Attach the air filter cover.
• Perform Step 1) in the reverse order to close the air filter cover, and push in the air filter cover securely until it clicks
into place.
• Use a Phillips screwdriver to firmly tighten the air filter cover fixing screw (x1).
INF-26
SECTION 1 SERVICE INFORMATION
5. 4. Initialization for control device password
Take the procedure below to restore the factory default password (AAAA).
1. Press the [AUTO SETUP] button on the remote control or the [INPUT SELECT] button and the [▲] button on the control
panel of projector at the same time for more than 2 seconds while the control device password input request menu is dis-
played on the screen.
2. Press the [▼] button for more than 2 seconds.
The password will be initialized.
Attention
• After washing the air filter unit, dry it thoroughly before attaching it back to the projector. Attaching a wet unit will cause an
electric shock or malfunction.
• Do not disassemble the air filter unit.
• Make sure that the air filter unit is properly attached before using the projector. If it is not attached, the projector will suck in
dirt and dust causing a malfunction.
Note
• If you use the projector without attaching the air filter unit, the filter indicator <FILTER> flashes in red and the message ap-
pears on the projected image for approximately 30 seconds.
• Replace the air filter unit with the new optional Replacement Filter Unit if it is damaged or if the dirt does not come off even
after washing.
• Air filter replacement is recommended after cleaning the unit two times.
• The dust-proof properties may be reduced after each cleaning.
INF-27
SECTION 1 SERVICE INFORMATION
6. Troubleshooting
6. 1. Shutdown system
This projector provides the shutdown function to set into the standby mode immediately for product safety when the projector
has the fan operation error or lamp lightning error.
LED indication status
Shutdown detection
Probable cause
OSD warning
Not lighting or flashing
Power supply block
Fuse : Rated 10A
Blown out of fuse
(with another reason)
–
Thermal fuse
a Over 113ºC
Blown out of thermal fuse (with another reason)
Check usage environment
–
Ballast block
Fuse : Rated 5A
Intake duct clogging
Ballast block error
–
STANDBY/ON LED
blinks in red 1 time
Lamp cover switch
a Shutdown immediately if switch is
OFF
Lamp cover is not installed securely
–
STANDBY/ON LED
blinks in red 3 times
FPGA initializing error or communication
error
Failure on signal processing part
–
Main software activation error
Main microprocessor writing error
–
TEMP LED lights
Intake air temperature sensor
a Lower than -20ºC
Bad connection of intake air temperature sen-
sor/ Sensor error
–
Exhaust air temperature sensor
a Lower than -20ºC
Bad connection of exhaust air temperature sen-
sor/ Sensor error
–
TEMP LED blinks 3 times
(TEMP LED lights)
Each FAN sense signal
a No signal
Connector Disconnection
Fan rotation error
–
Each FAN sense signal
a Fan rotation is slower than 70% of
target for more than 5 seconds
Fan rotation error
–
TEMP LED blinks 2 times
(TEMP LED lights)
Intake air temperature sensor
a Higher than 48ºC
(Higher than 43ºC at highland mode)
Intake air temperature error
Filter clogging
High temperature of environment
Ventilation holes are blocked
46ºC (High-altitude 41ºC) a
TEMP WARNING On
44ºC (High-altitude 39ºC) a
TEMP WARNING Off
Exhaust air temperature sensor
a Higher than 89ºC *1
Exhaust air temperature error
Ventilation holes are blocked
Exhaust fan deterioration
High altitude mode is not set at highland
87ºC a TEMP WARNING On
85ºC a TEMP WARNING Off
LAMP LED lights
Lamp runtime
a More than 4000 hours
(Shutdown in 10 seconds)
Lamp runtime is over
“REPLACE LAMP IN ** MIN-
UTES, POWER WILL TURN OFF
AND GO INTO STANDBY MODE
AUTOMATICALLY.”
LAMP LED blinks 3 times
Lamp status
a Lamp is failure or shutdown while
the status is other than normal
operation
Lamp igniting error, lamp error, ballast error,
hot restart
Blown out of thermal fuse (with another reason)
–
LAMP LED blinks 1 time
Lamp memory communication error
Lamp is not installed or wrong lamp installed,
Connection error on the lamp memory cable
–
*1 it depends on the lamp mode , fan
mode or installed position.
The count down number 10 to 1
will be indicated in **.
INF-28
SECTION 1 SERVICE INFORMATION
6. 2. System log data acquisition method
6. 2. 1. Equipment to be used
1. Computer : Use it for the collected log data.
2. Communication cable : D-sub 9pin (male/female RS-232C straight)
3. Service Software : [DataLogBackup.exe] Service software is downloaded from the projector service homepage.
6. 2. 2. Connection Preparations
1. Confirm and make a note of "Projector ID" and "Transmission
speed", "Parity setting".
2. Connect the serial terminals on the projector and the PC by
using a communication cable.
Attention:
Please setup the computer not into standby or shutdown
during the working.
6. 2. 3. Acquisition of log data
1. Switch the projector to "Normal-Standby" mode (POWER indicator is Lighting in red).
2. Start up service software [DataLogBackup.exe] with a computer.
3. Select "Option " → " Setting" and set up Serial Port of the computer, Baud Rate and Parity.
4. Select a model number and ID.
SERIAL IN
Computer
Projector
Serial cable(RS-232C)
＊ Thisunitdoesnotsupportthelog
datatransferthroughtheLAN.
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