Hitachi ED-X12 Projector User Manual


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55
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 power is turned on.
Message Description
NO INPUT IS DETECTED
½½½
There is no input signal.
3OHDVHFRQ¿UPWKHVLJQDOLQSXWFRQQHFWLRQDQGWKHVWDWXV
of the signal source.
SYNC IS OUT OF RANGE
½½½
fH ½½kHz fV ½½Hz
The horizontal or vertical frequency of the input signal
LVQRWZLWKLQWKHVSHFL¿HGUDQJH
3OHDVHFRQ¿UPWKHVSHFVIRU\RXUSURMHFWRURUWKHVLJQDO
source specs.
CHECK THE AIR FLOW
The internal temperature is rising.
Please turn the power off, and allow the projector to cool
GRZQDWOHDVWPLQXWHV$IWHUKDYLQJFRQ¿UPHGWKH
following items, please turn the power ON again.
• Is there blockage of the air passage aperture?
• ,VWKHDLU¿OWHUGLUW\"
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, please set
FAN SPEED of the SERVICE item in the OPTION menu to HIGH.
REMINDER
*** HRS PASSED AFTER THE
LAST FILTER CHECK.
FILTER MAINTENANCE IS ESSENTIAL
TO REMOVE WARNING MESSAGE,
RESET FILTER TIMER.
SEE MANUAL FURTHER INFO.
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Please immediately turn the power off, and clean or change
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(
52)$IWHU\RXKDYHFOHDQHGRUFKDQJHGWKHDLU¿OWHU
SOHDVHEHVXUHWRUHVHWWKH¿OWHUWLPHU(
41).
Troubleshooting
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