Hitachi Projector CP-HD9950 User Manual

111
Regarding the indicator lamps
Indicator StatusDescription
The interior portion has become heated.
Turn the power off, and allow the projector to cool down at least 20 minutes. After the projector has sufficiently cooled down, confirm the following items, and then turn the power on again.• Is there blockage of the air passage aperture?• Is the air filter dirty?•  Use the unit within the temperature range. NORMAL MODE: 0 to 45°C ECO MODE: 0 to 50°C HIGH ALTITUDE: 0 to 40°C• Is the setting for ALTITUDE...

11 2
Indicator StatusDescription
This is a Lamp-1 warning.
Lamp-1 is turned off.
Turn the power off, and allow the projector to cool down at least 20 minutes.  Restart the projector.If the same indication is displayed, contact your dealer or service company.
This is a Lamp-2 warning.
Lamp-2 is turned off.
Turn the power off, and allow the projector to cool down at least 20 minutes.  Restart the projector.If the same indication is displayed, contact your dealer or service company.
Other error has...

11 3
Indicator StatusDescription
Color Wheel error occurred.
If the same indication is displayed, contact your dealer or service company.
The air filter is clogged or dirty. (11 5)
Check and clean the air filterMake sure the power cable is not plugged in, then allow the projector to cool sufficiently.
See the section "The interior portion has become 
heated" (111).
Regarding the indicator lamps
(continued on next page)
Blinking twice 
alternately
RedRedRed
Orange or Red 

11 4
Indicator StatusDescription
PIN LOCK function is active.
See SECURITY menu > PIN LOCK(98).
If the same indication is displayed after the remedy, contact your dealer or service company.
The shutter is closed.
Press the SHUTTER button on the remote control or on the control panel to open the shutter.
This is the indication while cleaning or 
replacing the air filter .
Reset the filter time for a suitable indication.
There is a possibility that the interior portion 
has become overcooled.
•  Use the...

11 5
• 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 20 minutes. After the projector has sufficiently cooled down, confirm the 
attachment state of the lamp and lamp cover, and turn the power on again.
NOTE
For the SECURITY indicator, see SECURITY INDICATOR in the SECURITY 
menu (101). 
For the SHUTTER indicator, see the section...

11 6
Troubleshooting
Troubleshooting
Related messages
When some messages appear, check and deal with it according to the following 
table. Although these messages will be automatically disappear after several 
minutes, they will reappear when the power is turned on.
Warnings displayed on the Status Monitor
If an error occurs, a warning will be displayed on the Status Monitor (User's 
manual - Operating guide). Resolve the errors referring to the table of the sections 
"Related messages" and...

11 7
Troubleshooting
MessageDescription
The horizontal or vertical frequency of the input 
signal is not within the specified range.
Confirm the specs for your projector or the signal source 
specs.
An improper signal is input. 
Confirm the specs for your projector or the signal source 
specs.
The internal temperature is rising. 
Turn the power off, and allow the projector to cool down 
at least 20 minutes. After having confirmed the following 
items, turn the power ON again. 
 • Is there blockage of the...

11 8
Troubleshooting
MessageDescription
A note of precaution when cleaning the air filter. 
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,  reset 
the filter time (73).
The button operation is not available.
Check the button you want to use (7). Even when a 
usable button is pressed, all button operations are not 
available under the following...

11 9
Troubleshooting
Issues that may be easy to be mistaken for machine defects
An issue may be confused with a machine defect, check and deal with it according 
to the following table.
IssuesCases not involving a machine defectPage
Power does not come on.
The electrical power cord is not plugged in.
Connect the power cord correctly.21
The main power source has been interrupted during 
operation such as by a power outage (blackout), and 
so on.
Disconnect the power plug from the power outlet, and 
allow...

120
Troubleshooting
IssuesCases not involving a machine defectPage
Pictures are not displayed.(continued)
The signal cables are not correctly connected.
Correctly connect the connection cables.11~17
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.
11
The shutter is...