Hitachi Projector CP-WU5500 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...

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...

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...

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)...

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,...

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...

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...

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...

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...