Hitachi Projector CP-EX300N User Manual

							81
Troubleshooting
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Related messages
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Message Description
There is no input signal. 

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The horizontal or vertical frequency of the input signal is 
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An improper signal is input. 

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The COMPUTER IN2/MONITOR OUT port is selected 
as the picture input source even if MONITOR OUT is 
selected for COMPUTER IN2(
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Troubleshooting 
						

							82
Message Description
The internal temperature is rising. The projector is 
operating in low power. 
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Troubleshooting
Regarding the indicator lamps
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POWER 
indicatorLAMP 
indicatorTEMP 
indicatorDescription
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Green
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offThe projector is warming up.3OHDVHZDLW
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offThe projector is cooling down.3OHDVHZDLW
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The projector is cooling down. A certain error 
has been detected.
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The lamp does not light, and there is a possibility 
that interior portion has become heated.
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Replacing the lamp
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							84
Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicatorLAMP 
indicatorTEMP 
indicatorDescription
Blinking
In 
Red
or
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Red
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The cooling fan is not operating.3OHDVHWXUQWKHSRZHURIIDQGDOORZWKHSURMHFWRUWR
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Blinking
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Redor
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There is a possibility that the interior portion 
has become heated.
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							85

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							86
Troubleshooting
Resetting all settings
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							87
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon Cases not involving a machine defectReference 
page
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QRWFRPHRXWThe signal cables are not correctly connected.
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The MUTE function is working.
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The volume is adjusted to an extremely low level.

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The AUDIO SOURCE/SPEAKER setting is not correct.
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The brightness is adjusted to an extremely low level.

The computer cannot detect the projector as a Plug-
and-Play monitor.

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The BLANK screen is displayed.
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							88
Phenomenon Cases not involving a machine defectReference 
page
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SRRUColor settings are not correctly adjusted.
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COLOR SPACE setting is not suitable.
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DSSHDUGDUNThe brightness and/or contrast are adjusted to an 
extremely low level.
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The projector is operating in Eco mode.
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The lamp is approaching the end of its product 
lifetime.
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DSSHDUEOXUU\Either the focus and/or horizontal phase settings are 
not properly adjusted.

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The lens is dirty or misty.
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lens
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Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued) 
						

							89
Phenomenon Cases not involving a machine defectReference 
page
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The OVER SCAN ratio is too big.
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Excessive VIDEO NR.
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The FRAME LOCK function cannot work on the 
current input signal.
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QRWZRUNThe SAVING function is working.
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