Hitachi Projector CP-WX8650 User Manual

111
Maintenance
► Before taking care of the air filter, make sure the power cable 
is not plugged in, then allow the projector to cool sufficiently.
►Use only the air filter of the specified type. Do not use the projector without the 
air filter or the filter cover. It could result in a fire or malfunction to the projector.
►Clean the air filter periodically. If the air filter becomes clogged by dust or the 
like, internal temperatures rise and could cause a fire, a burn or malfunction to 
the projector....

11 2
Replacing the internal clock batter y
Please replace a battery according to the following procedure.
1.  
Turn the projector off, and unplug the power cord. Allow the 
projector to cool sufficiently.
2.   After making sure that the projector has cooled adequately, 
slowly turn over the projector, so that the bottom is facing. 
3.   Turn the battery cover fully in the direction indicated “OPEN” 
using a coin or the like, and pick the cover up to   
remove it.
4.  
Pry up the battery using a flathead...

11 3
Maintenance
Other care
In order to ensure the safe use of your projector, please have it cleaned and 
inspected by your dealer about once every year.
1.Turn the projector off, and unplug the power cord. Allow the projector to cool 
sufficiently.
2.After making sure that the projector is cool adequately, lightly wipe the lens 
with a commercially available lens-cleaning wipe. Do not touch the lens 
directly with your hand.
If the lens is flawed, soiled or fogged, it could cause deterioration of...

11 4
Troubleshooting
Troubleshooting
If an abnormal operation should occur, stop using the projector immediately.
Otherwise if a problem occurs with the projector, the following checks and 
measures are recommended before requesting repair. 
If this does not resolve the problem, please contact your dealer or service 
company. They will tell you what warranty condition is applied.
►Never use the projector if abnormal operations such as 
smoke, strange odor, excessive sound, damaged casing or elements or...

11 5
MessageDescription
The horizontal or vertical frequency of the input 
signal is not within the specified range.
Please confirm the specs for your projector or the signal 
source specs.
An improper signal is input. 
Please confirm the specs for your projector or the signal 
source specs.
The internal temperature is rising.  
Please turn the power off, and allow the projector to cool 
down at least 20 minutes. After having confirmed the 
following items, please turn the power ON again.  
 • Is there...

11 6
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 (
 76
, 11 0 ).
The button operation is not available.
Check the button you are going to use  (
7
). 
Related messages (continued) 

11 7
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 8
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 9
SHADE
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...

120
Indicator StatusDescription
The air filter is clogged or  dirty. (
11 0
)
Please check and clean the air filter.
Make sure the power cable is not plugged in, then 
allow the projector to cool sufficiently.
In addition, please see the section "There is a 
possibility that the interior portion has become 
heated" (
11 9).
PIN LOCK function is active.
Please see SECURITY menu > PIN LOCK(103 )
If the same indication is displayed after the remedy, 
please contact your dealer or service...