Hitachi Projector CP-WU5505 User Manual

							111
Troubleshooting
MessageDescription
A note of precaution when cleaning the air filter. 
Please immediately turn the power off, and clean or 
change the air filter referring to the  Cleaning and 
replacing the air filter  section of this manual. After you 
have cleaned or changed the air filter, please be sure to 
reset the filter timer (
 70
, 106 ).
The button operation is not available.
Check the button you are going to use  (
7
). 
Related messages (continued) 
						

							11 2
Troubleshooting
Indicator StatusDescription
The projector is in a standby state.
Please refer to the section “Power on/off”.
The projector is warming up.
Please wait.
The projector is in an on state.
Ordinary operations may be performed.
The projector is cooling down.
Please wait.
(continued on next page)
Regarding the indicator lamps
The indicators may differ from usual, check and cope with it according to the 
following table. The indicators are described as below.
Lit
Steady light Blinking
Off
Regarding the indicator lamps
Orange
Green
Orange Green 
						

							11 3
Regarding the indicator lamps
Regarding the indicator lamps (continued)
Indicator StatusDescription
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.
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.
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.
The lamp does not light, and there is a 
possibility that interior portion has become 
heated. Otherwise, AC power supply is 
unstable (ACBLK).
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?
•   Please use the unit within the temperature range.
NORMAL MODE: 0 to 35°C 
ECO MODE: 0 to 40°C 
If the same indication is displayed after the remedy, 
please change the lamp referring to the section 
Replacing the lamp .
(continued on next page)
Red
Red
descretionary
Red
Red Red Red
Red 
						

							11 4
Regarding the indicator lamps
Regarding the indicator lamps (continued)
Indicator StatusDescription
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?
•   Please use the unit within the temperature range.   
 NORMAL MODE: 0 to 35°C 
 ECO MODE: 0 to 40°C 
• Is the setting for ALTITUDE appropriate? 
•   Is the exhaust air (hot/cold) from peripheral   
equipments blowing against the ventilation opening 
of projector?
For details on ALTITUDE, refer to  ALTITUDE of 
SERVICE in the OPTION menu. If the projector is 
used with a wrong setting, it may cause damage to 
the projector itself or the parts inside.
It is time to clean the air filter.
Please turn the power off immediately, 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, restart the projector.
This is a Lamp Error.
Lamp is turned off.
Please turn the power off, and allow the projector to 
cool down at least 45 minutes. Restart the projector.
If the same indication is displayed after the remedy, 
please contact your dealer or service company.
(continued on next page)
Red Red
Red Red
Blinking at the 
same time
Red 
						

							11 5
Indicator StatusDescription
PIN LOCK function is active.
Please see SECURITY menu > PIN LOCK(98 )
If the same indication is displayed after the remedy, 
please contact your dealer or service company.
There is a possibility that the interior portion 
has become overcooled.
•  Please use the unit within the temperature range.
NORMAL MODE: 0 to 35°C 
ECO MODE: 0 to 40°C
AC BLACKOUT error has occured.
(continued on next page)
Regarding the indicator lamps
Regarding the indicator lamps (continued) Yellow
RedBlinking 
alternately
Green 
						

							11 6
Resetting all settings
When it is hard to correct some wrong settings, the FACTORY RESET function of 
SERVICE item in OPTION menu (
94) can reset all settings (except settings such 
as LANGUAGE, AUTO BLANK, LAMP TIME, FILTER TIME, FILTER MESSAGE, 
STANDBY MODE, COMMUNICATION, SECURITY and NETWORK) 
to the factory default.
• 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
For the SECURITY indicator, see SECURITY INDICATOR in the SECURITY 
menu (
 102) . 
Regarding the indicator lamps
Regarding the indicator lamps (continued) 
						

							11 7
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.26
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.
26
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.
103
Neither sounds 
nor pictures are  output.
The signal cables are not correctly connected.
Correctly connect the connection cables.12 ~ 21
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.33
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.
32
(continued on next page) 
						

							11 8
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.12 ~ 21
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu 
function or the remote control.
32, 75
The AUDIO SOURCE/SPEAKER setting is not correct.
Correctly set the AUDIO SOURCE/SPEAKER in AUDIO 
menu.
75
The Sound button (♪) or checkbox is disabled.
If you have selected  LAN, remove the check mark from 
the Sound checkbox in the Option menu of “LiveViewer”.
–
The MUTE function is working.
Restore the sound pressing  MUTE or VOLUME  +/-
button on the remote control.
32
No pictures are  displayed.
The signal cables are not correctly connected.
Correctly connect the connection cables.12 ~ 21
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu 
function.
56
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.
12
The lens shade is closed.
Press SHADE button (MY BUTTON) on the remote control.84
The BLANK screen is displayed.
Press  BLANK  button on the remote control.46
(continued on next page) 
						

							11 9
PhenomenonCases not involving a machine defectReference 
page
The remote 
control does not  work.The batteries in the remote control are near the end.
Replace the batteries.27
Video screen
display freezes.
The FREEZE function is working.
Press  FREEZE  button to restore the screen to normal.46
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 and/or TINT settings, using the menu functions.56, 58
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB, 
SMPTE240, REC709 or REC601. 
63
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.
56
The projector is operating in Eco mode.
Set ECO MODE  in the LAMP & FILTER menu to NORMAL.69
The lamp is approaching the end of its product 
lifetime.
Replace the lamp.
103
Dimming Level of Blending function is working.
Set Dimming Level to a higher level or set Blending - 
Mode to OFF.
41, 44
Pictures appear 
blurry.
The lens cover is attached.
Remove the lens cover.–
Either the focus and/or horizontal phase settings are 
not properly adjusted.
Adjust the focus using the focus  ring, and/or H PHASE 
using the menu function.
35, 62
(continued on next page)
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d) 
						

							120
PhenomenonCases not involving a machine defectReference 
page
Pictures 
appear blurry.  (continued)The lens is dirty or misty.
Clean the lens referring to the section  Caring for the lens.108
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  in the LAMP & FILTER menu to NORMAL.
69
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.61
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.63
The FRAME LOCK function cannot work on the 
current input signal.
Set FRAME LOCK in the INPUT menu to OFF.
65
RS-232C does  not work on 
control terminal.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the 
SETUP menu.
72
RS-232C is set to HDBaseT.
Select CONTROL for RS-232C item in the OPTION 
menu.
93
The COMMUNICATION TYPE for the CONTROL port 
is set to NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the 
OPTION - SERVICE - COMMUNICATION menu.
90
Network does  not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the 
SETUP menu.
72
The same network address is set for both wireless 
and wired LAN.
Change the network address setting for wireless or wired 
LAN.
–
Displayed  image is 
partially dark.
Blending Region is set.
Set all Blending Region to OFF or set Blending – Mode 
to OFF.
41
ECO MODE 
setting cannot  be changed.
Blending - Mode is set to MANUAL.
Set Blending – Mode to OFF.41
(continued on next page)
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)