Hitachi Projector CP-EX250N User Manual

81
Troubleshooting
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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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Orange
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Blinking
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Green
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Green
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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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Red
The cooling fan is not operating.3OHDVHWXUQWKHSRZHURIIDQGDOORZWKHSURMHFWRUWR
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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
6RXQGGRHV
QRWFRPHRXWThe signal cables are not correctly connected.
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The MUTE function is working.
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22
The volume is adjusted to an extremely low level.

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The AUDIO SOURCE/SPEAKER setting is...

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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89
Phenomenon Cases not involving a machine defectReference 
page
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47
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...

90