Hitachi Projector Cp X440 Users Manual

41

Maintenance
WARNING   ►Before caring, make sure the power switch is off and the 
power cable is not plugged in, and then allow the projector to cool suffi ciently. 
The care in a high temperature state of the projector could cause a burn and/or 
malfunction to the projector.
►Never try to care for the inside of the projector personally. Doing is so 
dangerous. 
►Avoid wetting the projector or inserting liquids in the projector. It could result 
in a fi re, an electric shock, and/or malfunction to the...

42

Troubleshooting
Troubleshooting
Related messages
When the unit's power is on, messages such as those shown below may be 
displayed. When any such message is displayed on the screen, please follow the 
instructions described below. If the same message is displayed after the remedy, 
or if a message other than the following appears, please contact your dealer or 
service company.
Although these messages will be automatically disappeared around several 
minutes, it will be reappeared every time the...

43

Troubleshooting
Related messages (continued)
MessageDescription
CHECK THE AIR FLOW
The internal temperature is rising.
Please turn the power off, and allow the projector to cool 
down at least 20 minutes. After having confi rmed the 
following items, please turn the power ON again.
 • Is there blockage of the air passage aperture?
• Is the air fi lter dirty?
 • Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, please 
set FAN SPEED of the SERVICE item...

44

Troubleshooting
Regarding the indicator lamps
Lighting and fl ashing of the POWER indicator, the LAMP indicator, and the TEMP 
indicator have the meanings as described in the table below. Please follow the 
instructions within the table. If the same indication is displayed after the remedy, 
or if an indication other than the following is displayed, please contact your dealer 
or service company.
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Lighting
InOrange
Turned
off
Turned
off
The...

45

Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Blinking
InRed
or
Lighting
InRed
Turned
off
Blinking
InRed
The cooling fan is not operating.
Please turn the power off, and allow the projector to projector to projector
cool down at least 20 minutes. After the projector has 
suffi ciently cooled down, please make confi rmation 
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same...

46

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
WARNING  ►Never use the projector if abnormal operations such as 
smoke, strange odor, excessive sound, damaged casing or elements or cables, 
penetration of liquids or foreign matter, etc. should occur. In such cases, 
immediately turn off the power switch and then disconnect the power plug from 
the power outlet. After making sure that the smoke or odor has stopped, contact 
your dealer or service company.
1. Before...

47

Phenomena that may be easy to be mistaken for machine defects (continued)

Phenomenon
Cases not involving a machine defect
Reference

page

No pictures are 

displayed.

The 
lens cap
 is attached.

Remove
 the lens
c
ap
.
4, 16

The signal cables are not correctly connected.

Correctly connect the connection cables.

10, 11, 

12

The brightness is adjusted to an extremely low level.

Adjust BRIGHTNESS to a higher level using the menu 

function
or the remote control
.

23, 25

The computer cannot...

48

Warranty And After-Ser vice
Warranty and after-service
If a problem occurs with the equipment, fi rst refer to the “Troubleshooting” and run 
through the suggested checks. If this does not resolve the problem, please contact your 
dealer or service company. They will tell you what warranty condition is applied.
Specifi cations
Specifi cations
NOTE  • These specifi cations are subject to change without notice.
ItemSpecifi cation
Product nameLiquid crystal projector
Liquid
Crystal
panel
Panel sizeCP-X444 :...

49

Specifi cations
Specifi cations (continued)
For the model CP-X444
For the model CP-X440