Hitachi Projector BZ-1 User Manual

							111
Troubleshooting
Regarding the indicator lamps
When operation of the LAMP, TEMP and POWER indicators differs from usual, 
check and cope with it according to the following table.
POWER 
indicator LAMP 
indicator TEMP 
indicator Description
Lighting
In Orange Turned
off Turned
off
The projector is in a standby state.Please refer to the section “Power on/off”.
Blinking
In Green Turned
off Turned
off
The projector is warming up.Please wait.
Lighting
In Green Turned
off Turned
off
The projector is in an on state.Ordinary operations may be performed.
Blinking
In Orange Turned
off Turned
off
The projector is cooling down.Please wait.
Blinking In Red (discre-
tionary) (discre-
tionary)
The projector is cooling down. A certain error 
has been detected.
Please wait until  POWER indicator finishes blinking, 
and then perform the proper measure using the item 
descriptions below.
Blinking In Red or
Lighting In Red Lighting
In Red Turned
off
The lamp does not light, and there is a possibility 
that interior portion has become heated.
Please turn the power off, and allow the projector to 
cool down at least 20 minutes. After the projector has 
sufficiently cooled down, please make confirmation of 
the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, 
please change the lamp referring to the section 
“Replacing the lamp”.
Blinking In Red or
Lighting In Red Blinking
In Red Turned
off
The lamp cover has not been properly fixed. Please turn the power off, and allow the projector to 
cool down at least 45 minutes. After the projector has 
sufficiently cooled down, please make confirmation of 
the attachment state of the lamp cover. After performing 
any needed maintenance, turn the power on again. 
If the same indication is displayed after the remedy, 
please contact your dealer or service company.
BlinkingIn Red or
Lighting In Red Turned
off Blinking
In Red
The cooling fan is not operating.Please turn the power off, and allow the projector to 
cool down at least 20 minutes. After the projector has 
sufficiently cooled down, please make confirmation 
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same indication is displayed after the remedy, 
please contact your dealer or service company.
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							112
Troubleshooting
Regarding the indicator lamps (continued)
• When the interior portion has become overheated, for safety purposes, 
the projector is automatically shut down, and the indicator lamps may also be 
turned off. In such a case, disconnect the power cord, and wait at least 45 minutes. 
After the projector has sufficiently cooled down, please make confirmation of the 
attachment state of the lamp and lamp cover, and then turn the power on again.NOTE
POWER 
indicator LAMP 
indicator TEMP 
indicator Description
Blinking In Red or
Lighting In Red Turned
off Lighting
In Red
There is a possibility that the interior portion 
has become heated.
Please turn the power off, and allow the projector to cool down at least 
20 minutes. After the projector has sufficiently cooled down, please make 
confirmation of the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
• Is the projector used at an altitude of about 1600 m or 
higher? If the projector is used at an altitude of about 
1600 m or higher, set FAN SPEED of the SERVICE 
item in the OPTION menu to HIGH  (
61).
Lighting In Red Turned
off Turned
off
The lens door is not opened properly.One of the followings has been happened.
• The lens door is not opened properly, when the projector 
is turned on.
• The lens door position is shifted, while the projector is working.Restart the projector, after confirming that there is nothing 
that the lens door hits while opening or closing.
Lighting
In Green Simultaneous
blinking in  Red
It is time to clean the air filter.Please immediately turn the power off, and clean or 
change the air filter referring to the section “Cleaning 
and replacing the air filter”. After cleaning or changing 
the air filter, please be sure to reset the filter timer. 
After the remedy, reset the power to ON.
Lighting
In Green Alternative
blinking in  Red
There is a possibility that the interior portion 
has become overcooled.
Please use the unit within the usage temperature 
parameters (5°C to 35°C).  
After the treatment, reset the power to ON.
Blinking In  Green for approx. 3 seconds. Turned
off Turned
off At least 1 Power ON schedule is saved to the 
projector.
Please refer to Schedule Settings
 section of User’s 
Manual - Network Guide. 
						

							113
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it 
according to the following table.
PhenomenonCases not involving a machine defectReference 
page
Power does not  come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.14
The main power source has been interrupted during 
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the power outlet, 
and allow the projector to cool down at least 10 minutes, 
then turn the power on again.
14, 20
Either there is no lamp and/or lamp cover, or either 
of these has not been properly fixed.
Please turn the power off and disconnect the power 
plug from the power outlet, and allow the projector to 
cool down at least 45 minutes. After the projector has 
sufficiently cooled down, please make confirmation of 
the attachment state of the lamp and lamp cover, and 
then turn the power on again.
101
Neither sounds
nor pictures are outputted.
The signal cables are not correctly connected.
Correctly connect the connection cables.9 ~ 13
Signal source does not correctly work.
Correctly set up the signal source device by referring to 
the manual of the source device.
–
The input changeover settings are mismatched.
Select the input signal, and correct the settings.22 ~ 24
The BLANK function for pictures and the MUTE 
function for sounds are working.
AV MUTE may be active. 
Refer to the item “Sound does not come out” and “No 
pictures are displayed” on the next page to turn off the 
MUTE and BLANK functions.
22, 29, 60
(continued on next page)
Resetting all settings
When it is hard to correct some wrong settings, the FACTORY RESET function of 
SERVICE item in OPTION menu (
 66) can reset all settings (except settings such 
as LANGUAGE, LAMP TIME, FILTER TIME, FILTER MESSAGE, SECURITY and 
NETWORK) to the factory default. 
						

							114
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
PhenomenonCases not involving a machine defectReference 
page
Sound does not  come out. The signal cables are not correctly connected.
Correctly connect the audio cables.
9 ~ 13
The MUTE function is working.
Restore the sound pressing  MUTE or VOLUME +/- button 
on the remote control. 22
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function 
or the remote control. 22, 48, 
49
The AUDIO SOURCE/SPEAKER setting is not correct.
Correctly set the AUDIO SOURCE/SPEAKER in AUDIO menu.48
The mode selected for HDMI AUDIO is not suitable.  
Check each of the two modes provided and select the suit-
able one for your HDMI
TM audio device. 49
No pictures are displayed. The signal cables are not correctly connected.
Correctly connect the connection cables.
9 ~ 13
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu function.35
The computer cannot detect the projector as a plug and play monitor.
Make sure that the computer can detect a plug and play 
monitor using another plug and play monitor. 10
The BLANK screen is displayed.
Press BLANK button on the remote control. 29
The USB TYPE B port is selected as the picture input 
source even if MOUSE is selected for USB TYPE B.  
Select USB DISPLAY for USB TYPE B in OPTION menu to 
project the picture input to the port. Otherwise select other 
port for picture input. 57
The projector does not recognize the USB storage 
device inserted into USB TYPE A port. 
Use the REMOVE USB function first, remove the USB 
storage device, and then insert it into the port again. 
Before removing the USB storage device, be sure to use 
the REMOVE USB function on the thumbnail screen, which 
appears when the USB TYPE A port is selected as the input 
source. 12
"Waiting for connection." remains displayed even 
though the USB TYPE B port is selected.
Remove the USB cable and reconnect after a while.
10
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							115
PhenomenonCases not involving a machine defectReference 
page
Video screen
display freezes. The FREEZE function is working.
Press FREEZE button to restore the screen to normal.
29
Colors have a faded- out
appearance, or Color tone is  poor. Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR TEMP, COLOR, 
TINT and/or COLOR SPACE settings, using the menu functions.36, 41
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB, 
SMPTE240, REC709 or REC601.  41
Pictures appear  dark. The brightness and/or contrast are adjusted to an 
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a 
higher level using the menu function.
35
The projector is operating in Eco mode.
Set ECO MODE to NORMAL, and set AUTO ECO MODE to 
OFF, in the SETUP menu. 46, 47
The lamp is approaching the end of its product lifetime.
Replace the lamp.
101, 102
Pictures appear  blurry. Either the focus and/or horizontal phase settings are 
not properly adjusted.
Adjust the focus using the FOCUS button, and/or H PHASE
using the menu function.
26, 40
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”. 106
Some kind  of image 
degradation  such as 
flickering or 
stripes appear  on screen.  When the projector is operating in Eco mode, flickering 
may appear on screen.
Set ECO MODE to NORMAL, and set AUTO ECO MODE to 
OFF, in the SETUP menu.
46, 47
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller. 38
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu. 41
The FRAME LOCK function cannot work on the current 
input signal.
Set FRAME LOCK in the INPUT menu to OFF. 43
(continued on next page)
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d) 
						

							116
PhenomenonCases not involving a machine defectReference 
page
The computer 
connected to the 
USB TYPE B port  of the projector 
does not start up.The computer cannot start up in the current hardware 
configuration.
Disconnect the USB cable from the computer, then 
reconnect it after starting up the computer. 10
RS-232C does  not work. The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.47
The COMMUNICATION TYPE for the CONTROL port is 
set to NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the 
OPTION - SERVICE - COMMUNICATION menu. 64
Network does  not work The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.47
NETWORK  BRIDGE 
function does  not work The NETWORK BRIDGE function is turned off.
Select NETWORK BRIDGE for COMMUNICATION TYPE item 
in the OPTION - SERVICE - COMMUNICATION menu.64
Schedule function
 
does not workThe SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.47
When the 
projector is 
connected to the 
network, it powers  off and on as 
described below. Powers off
POWER indicator  blinks in orange a  few times
Goes into  
standby modeDisconnect the LAN cable and check that the projector is 
working properly.
If this phenomenon occurs after connecting to the network, 
there may be a loop between two Ethernet switching hubs 
within the network, as explained below.
- There are two or more Ethernet switching hubs in a network.
- Two of the hubs are doubly connected by LAN cables.
-  
This double connection forms a loop between the two hubs.
Such a loop may have an adverse effect on the projector as 
well as the other network devices.
Check the network connection and remove the loop by 
disconnecting the LAN cables such that there is only one 
connecting cable between two hubs. –
Video files cannot 
be played properly  on a computer on which the 
"LiveViewer" was  run.The "LiveViewer" has been intentionally or accidentally 
forced to shut down.
DirectDraw® or Direct3D® has been disabled on your Windows®. 
Please refer to the Microsoft® Help and Support home page 
on how to enable DirectDraw® or Direct3D®. –
Troubleshooting
• Although bright spots or dark spots may appear on the screen, this is a unique 
characteristic of liquid crystal displays, and it does not constitute or imply a machine defect.NOTE
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
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							117
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
PhenomenonCases not involving a machine defectReference 
page
When using 
the interactive  function, the  projector 
can not  be 
recognized. Is the use of USB cables disabled?
Enable the use of USB cables. The “StarBoard Software” 
may not be recognized if your laptop has a built-in modem.
The projector may not be recognized if your computer has a 
built-in modem.
(For details, refer to the relevant manuals such as that for 
the computer.)
–
Is the power of the projector turned on?
Check to ensure that the POWER indicator of the projector 
is lit in green. 111
Is the USB cable connected correctly?
Connect the USB cable to the computer. 83
Is the system started up in the correct sequence?
Start up the system in the correct sequence. –
The “StarBoard Software” files may be corrupted, or 
installation may not have completed successfully.
Uninstall the “StarBoard Software” and reinstall it. 86
(continued on next page) 
						

							118
PhenomenonCases not involving a machine defectReference 
page
The pen does not operate. This may be due to poor contact of the battery.
Remove the battery and load it again.
Be sure to use only the batteries specified.
19
Has the battery run out?
Replace it with a new one. 19
The “StarBoard Software” files may be corrupted, or 
installation may not have completed successfully.
Uninstall the “StarBoard Software” and reinstall it. 86
Is the projector positioned too close to the screen?
Install and use at a position where the screen size is between 
60"-100" when digital zoom is at the maximum (100%). 45
Is the pen position calibrated?
Perform calibration of the pen position. 34
Are the projector and screen used at the following places?
-  
Place where wind from the air-conditioner etc. is blowing 
directly on the screen.
-   Place near an inverter fluorescent light.
-   Place surrounded by walls or ceiling made of materials 
that allow easy sound reflection, such as metal.
-   Place near a CRT display, TV, etc.
-   Place that is exposed to direct sunlight.
-   Place that is exposed to speaker sound or noise.
-  
Place where more than one projector is installed in the same room.-   Place where equipment used emits ultrasonic waves or 
vibrates. 81, 82
Are you using more than one pen at the same time?
Only one pen can be used at a time. 19
Is transmission between the pen and the projector obstructed?
Make sure that the area between the sensor at the top 
surface of the projector and the screen is not obstructed 
(transparent and meshed objects are also not allowed). For 
example, the Interactive Function does not function if the 
projector is enclosed with only the lens exposed, such as 
when a casing for theft prevention is used. 84
Is dust accumulated on the two horns of the pen sensor?
Check the horns of the pen sensor, and remove any dust 
accumulated on them using a vacuum cleaner.
107
Is the volume from the speaker of the projector too loud?
Loud volume may affect the operation of the pen depending 
on the environment where it is used. Try lowering the volume.
22, 48
Other than those above
Restart Windows
® and “StarBoard Software”. –
          (continued on next page)
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
Troubleshooting 
						

							119
PhenomenonCases not involving a machine defectReference 
page
Pen action is 
unstable or pen 
stops operating.
Is the power supply for the projector used at the 
same time for other electrical products that require a 
measurable amount of power? 
Use a separate power supply for other electrical products 
with a high power consumption. 14
Is dust accumulated on the two horns of the pen sensor?
Check the horns of the pen sensor, and remove any dust 
accumulated on them using a vacuum cleaner.
107
The “StarBoard Software” files may be corrupted, or 
installation may not have completed successfully.
Uninstall the “StarBoard Software” and reinstall it. 86
Has the battery run out?
Replace it with a new one. 19
Other than those above
・   Disconnect the power supply for the projector and connect 
again.
・   Restart Windows
® and “StarBoard Software”. 14
Lines cannot be  drawn properly or are broken. Has the battery run out?
Replace it with a new one.
19
Is dust accumulated on the two horns of the pen sensor?
Check the horns of the pen sensor, and remove any dust 
accumulated on them using a vacuum cleaner.107
Is the tip of the pen worn out?
Replace the tip of the pen with a new one. 19
The tip of the  pen does not  coincide with 
the pen cursor. Is calibration of the pen position correctly performed?
Perform calibration of the pen position.
For more details, refer to the manual for the “StarBoard 
Software” in the bundled DVD-ROM.
–
Is the projector inclined?
Install the projector correctly and horizontally before 
performing calibration of the pen position. –
(continued on next page)
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
Troubleshooting 
						

							120
PhenomenonCases not involving a machine defectReference 
page
Calibration of the pen 
position cannot  be performed  correctly. Is the projector correctly installed?
Check the installed position of the projector.
81, 82
Is the computer image projected within the area of the 
screen?
Install and use at a position where the screen size is 
between 60"-100" when digital zoom is at the maximum 
(100%) and the KEYSTONE and PERFECT FIT functions 
are not used. If the KEYSTONE or PERFECT FIT function is 
used, the position of the pen may not be reflected correctly 
on the screen, or pen operation may not yield any response 
even on the 60''-100'' sized screen. 45
The “StarBoard Software” files may be corrupted, or 
installation may not have completed successfully.
Uninstall the “StarBoard Software” and reinstall it. 86
Is a part of the image enlarged using the Magnify 
function?
Press the MAGNIFY OFF  key on the remote control to 
restore the normal display. 28
Is ASPECT set to NATIVE and the display resolution of 
the computer larger than 1280 x 800?
Set ASPECT to NORMAL, or set the display resolution of 
the computer to lower than 1280 x 800. 38
You cannot exit 
from the I-PEN2  calibration 
display even if  you press the  ESC button 
of the remote  control. Is USB TYPE B in the OPTION menu set to USB 
DISPLAY?
Change the setting of USB TYPE B to MOUSE.
57
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)