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Troubleshooting
Troubleshootng
Related messages
When the unit's power is on, messages such as those shown below may be dis-
played. When any such message s dsplayed on the screen, please follow the
nstructons descrbed below. If the same message s dsplayed after the remedy,
or f a message other than the followng appears, please contact your dealer or
servce company.
Although these messages wll be automatcally dsappeared around several mn-
utes, t wll be reappeared every tme the power s turned on.
Message
NO INPUT IS DETECTED
SYNC IS OUT OF RANGE
fH kHz fV Hz
CHECK THE AIR FLOW
REMINDER
*** HRS PASSED AFTER THE
LAST FILTER CHECK.
FILTER MAINTENANCE IS ESSEN-
TIAL
TO REMOVE WARNING MES-
SAGE,
RESET FILTER TIMER.
SEE MANUAL FURTHER INFO.
ViewSonic
There is no input signal.
Please confirm the signal input connection, and the status
of the sgnal source.
The horizontal or vertical frequency of the input signal
is not within the specified range.
Please confirm the specs for your projector or the signal
source specs.
The internal temperature is rising.
Please turn the power off, and allow the projector to cool
down at least 20 minutes. After having confirmed the follow-
ng tems, please turn the power ON agan.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
If the same ndcaton s dsplayed after the remedy, please set
FAN SPEED of the SERVICE tem n the OPTION menu to HIGH.
A note of precaution when cleaning the air filter.
Please mmedately turn the power off, and clean or change
the air filter referring to the "Air Filter" section of this manu-
al. After you have cleaned or changed the air filter, please
be sure to reset the filter timer.
PJ1158
Descrpton
99
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