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INF-21

Do not replace the lamp unit when it is hot. (Wait at least 1 hour after use.)
The inside of the cover can become very hot, take care to avoid burn injuries.

•  The luminous source of the lamp is made of glass and may burst if you hit it against a hard surface or drop it.
  Please handle with care.
•  A Phillips screwdriver is required for replacement of the lamp unit
•  When replacing the lamp unit, be sure to hold it by the handle.
•  When replacing the lamp because it has stopped illuminating, there is a possibility that the lamp may be broken. If replacing 

the lamp of a projector which has been installed on the ceiling, you should always assume that the lamp is broken, and you 

should stand to the side of the lamp cover, not underneath it. Remove the lamp cover gently. Small pieces of glass may fall
out when the lamp cover is opened. If pieces of glass get into your eyes or mouth, seek medical advice immediately.

•  The lamp may be ruptured. Care should be taken not to scatter pieces of the broken lamp glass when replacing the lamp 

unit. Pieces of the broken lamp may fall from the lamp unit especially when the projector is mounted on the ceiling, so when 
replacing the lamp unit do not stand directly underneath it or position your face close to it.

•  The lamp contains mercury. Consult your local municipality or your dealer about correct disposal of used lamp units.

•  When the projector is mounted on a ceiling, do not work with 

your face close to the projector.

•  Do not loosen other than designated screws.
•  Attach the lamp unit and the lamp cover securely.

  •  Wait at least one hour and check if the lamp unit has cooled 

down.

 • Remove the lamp cover by pulling it slowly toward the direction

of the arrow.

  •  When you experience difficulty in installing the lamp unit, 

remove it and try again. If you use force to install the lamp unit, 
the connector may be damaged.

  • Perform Step 2) in the reverse order to attach the lamp cover.

•  When you replace the lamp unit with new one, the projector 

resets the runtime of the lamp unit automatically

Lamp cover

Lamp cover 
fixing screw

Lamp unit fix-
ing screws

Handles

INF-22

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.

• 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.

• After replacing the air filter, reset the filter counter. Otherwise, “FILTER COUNTER has reached the set time.” will appear on

screen.

1) Remove the air filter cover. (Fig. 1)
  •  Open the air filter cover in the direction of the arrow and remove it.
2) Remove the air filter unit. (Fig.2)
  •  Hold the tab on the left side of the air filter unit and pull out in the direction of the arrow.
  •  After removing the air filter unit, remove foreign objects and dust from the air filter compartment and the projector’s air 

intake port if there are any.

3) Attach the unused air filter unit to the projector (Fig.3)
  •  Hold the air filter unit that the tab is in up-left side in the figure, put the right side in the figure first, and press the tab side 

until make a click sound.

  • Do not press any other part of the air filter unit except the frame during installation.

 • Perform Step 1) in “Removing the air filter unit” in the reverse order
  • Make sure that the air filter cover is closed tightly.
5)  Connect the power plug, press the power button <v

/b> on the control panel or on the remote control to turn on 

6)  Press the <MENU> button to display the main menu, then press as to select [PROJECTOR SETUP].
7)  Press the <ENTER> button, press as to select [FILTER COUNTER].
8)  Press the <ENTER> button, press as to select [FILTER COUNTER RESET].
9)  Press the <ENTER> button.

 • [FILTER COUNTER RESET] confirmation message is displayed.
10)   Press  q w to select [OK], then press the <ENTER> button.
  • The filter usage time is [0] after reset.

•  When using the projector, be sure to attach the air filter unit. If it is not attached, the projector will suck in dirt and dust caus-

ing a malfunction.

• Do not put anything into the air vents. Doing so may result in malfunction of the projector.
• The air filter unit to be replaced should be an unused product

• The replacement cycle of the air filter unit varies greatly depending on the usage environment.

Air filter cover

Tab

Air filter unit

Tab

Air filter unit

INF-23

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. 

Not lighting or flashing

Power supply block
Fuse : Rated 8A

Blown out of fuse(with another reason) 
Disconnecting the connectors
Power board failure
Ballast board failure

–

Thermal fuse 
     

a Over 113ºC

Blown out of thermal fuse (with another reason) 
Check usage environment 
Disconnecting the thermal fuse

–

Sub-microprocessor communication error

Sub-microprocessor failure
Disconnection the communication lines

–

ON(G)/STANDBY(R) LED
blinks  
(0.25 seconds cycle)

FPGA initializing error or communication
error

Failure on signal processing part

–

Main software activation error

Main microprocessor writing error

–

LAMP LED lights

Lamp runtime
     

a More than 5000 hours 

(Shutdown in 10 minutes)

Lamp runtime is over

“REPLACE LAMP IN ** MIN-

UTES, POWER WILL TURN OFF
AND GO INTO STANDBY MODE 
AUTOMATICALLY.”

LAMP LED blinks 
(0.5 seconds cycle)

Lamp igniting error/Lamp goes off

Lamp cover not installed
Disconnecting the connectors
Lamp error/burning
Ballast block error

–

TEMP LED lights

Temperature exceeds a threshold (*1)

Temperature error

–

Sum of the fan voltage level and filter
clogged level (*2)

Filter clogged

–

TEMP LED blinks
(2 seconds cycle)

No fan sense signal
Each fan sense signal level
a The signal is less than 50% of target
     level for more than 5 seconds

Disconnecting the connectors
Fan rotation error/ abnormal

Fan control circuit on the main bard has error.

–

Power supply error

Disconnecting the connectors
Board error

–

*1  It depends on the lamp mode , fan mode or installed environment.
*2 It depends on the various levels of the filter clogged and fan voltage.

The count down number 10 to 1 
will be indicated in **.

•To revert to the factory default password (AAAA), perform the following operations while the screen prompting input of 

[MENU LOCK PASSWORD] is displayed.
  1.  Press the [AUTO SETUP] button on the remote control or the control panel of the projector for at lease 3 seconds.

 2. Press the [▼] button for at least 3 seconds.
  The password will be initialized.

•Initial password : Press [

p u q t p u q t

] button sequentially and press [ENTER] button.

  If the initial password has been changed, ask user to have it.

INF-24

1. Computer : Use it for getting the lamp log data.

2. Communication cable : D-sub 9pin (male/female RS-232C straight)

3. Service Software : "ServiceVZ570" Service software is downloaded from the projector service homepage.

1.  Connect the serial terminals on the projector and the 

PC by using a communication cable.

1.  Set the projector to "Normal-Standby" mode (ON(G)/

STANDBY(R) indicator is blinking in red).

2. Start up the software "ServiceVZ570.exe" with a PC.
3. Select language and click the [OK] button.
4. 1) Choose the available serial port number on your PC.
  2) Choose a model number.
  3) Click the [Data] button.

5. 1) Click the [Log Display] button. The log display window will appear.
  2) Click the [Lamp Log receive] button. The log data will appear on the window.

Communication cable (straight)

D-Sub 9p (Male)

D-Sub 9p (Female)

Projector Connection terminals

Computer

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