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Hitachi Projector CP-X8150 User Manual

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Page 111

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Maintenance 
Maintenance
A lamp has finite product life. Using the lamp for long periods of time could cause the 
pictures darker or the color tone poor. Note that each lamp has a different lifetime, and 
some may burst or burn out soon after you start using them. 
Preparation of a new lamp and early replacement are recommended.  To prepare a 
new lamp, make contact with your dealer and tell the lamp type number .
Replacing the lamp
Type number : DT01281
Type number : DT01291
1.Turn the projector...

Page 112

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Maintenance
Lamp warning
Replacing the lamp (continued)
 HIGH VOLTAGE  HIGH TEMPERATURE HIGH PRESSURE
►The projector uses a high-pressure mercury glass lamp. The lamp 
can break with a loud bang, or burn out, if jolted or scratched, handled while hot, or 
worn over time. Note that each lamp has a different lifetime, and some may burst or 
burn out soon after you start using them. In addition, if the bulb bursts, it is possible 
for shards of glass to fly into the lamp housing, and for gas containing...

Page 113

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Maintenance
Please check and clean the air filter periodically. When the indicators or a 
message prompts you to clean the air filter, comply with it as soon as possible.
The filter unit with 2 sheets of filters is inside of the filter cover . In addition, the 
extra air filter is attached to inner side of the filter cover of CP-X8160 , CP-WX8255 
and CP-WU8450 . If one of the filters is damaged or heavily soiled, replace whole 
filter set with a new one.
Request for a filter set with the following...

Page 114

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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....

Page 115

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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...

Page 116

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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...

Page 117

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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...

Page 118

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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...

Page 119

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Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator LAMP 
indicator TEMP 
indicator Description
Blinking In 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...

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• 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 (
 91) . 
For the SHADE...
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