Related Messages - ViewSonic PJ452 - LCD XGA Projector-4.9LBS Service Manual

6-10 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 respond as described below.
Although these messages will be automatically disappeared around several minutes, it will be reappeared every
time the power is turned on.
Message
To maximize
performance, lamp
replacement is
recommended.
CLEAN THE AIR FILTER
POWER OFF FIRST,
THEN CLEAN THE AIR FILTER.
AFTER CLEANNIG THE AIR
FILTER,
RESET THE FILTER TIMER.
NO INPUT IS DETECTED
ON ***
SYNC IS OUT OF RANGE
ON *** fH *****kHz fV *****Hz
CHECK THE AIR FLOW
CLEAN THE AIR FILTER
POWER OFF FIRST,
THEN CLEAN THE AIR
FILTER.
AFTER CLEANING THE AIR
FILTER,
RESET THE FILTER TIMER.
NOTE • A lamp has a fi nite product life. Lamps are characterized by the fact that, after long hours of
usage, a lamp will no longer light up, or the lamp will break or burst, etc. Please be aware, however, that
among lamp types, there are major differences in product lifetimes; a lamp may thus fail to light even prior
to the lamp life.
ViewSonic Corporation
After the lamp running reaches 2000 hours, the warning message is displayed,
but it won't shut the unit off.
The message displays for 30 seconds when the PJ is turned on. If we push any
button while displaying the message, the message disappear.
The time the fi lter timer has counted has reached 100 hours.
Please clear or change the air fi lter by referring to the section "Air fi lter". After caring
for the air fi lter, Please be sure to reset the fi lter timer.
There is no input signal.
Please confi rm the signal input connection, and the status of the signal source.
The horizontal or vertical wavelength of the inputted signal is outside of the
response parameters of this unit.
Please confi rm the specs for this unit or the signal source specs.
The internal portion temperature is rising.
Please turn the power OFF, and allow the unit to cool down at least 20 minutes.
After having confi rmed the following items, please turn the power ON again.
• Is there blockage of the air passage aperture?
• Is the air fi lter dirty?
• Does the peripheral temperature exceed 35°C?
• If the same indication is after the treatment, please set the HIGH at FAN SPEED
of the item SERVICE of the OPTION menu.
A note of precaution when cleaning the air fi lter.
Please immediately turn the power OFF, and clean or change the air filter by
referring to the "Air Filter" section of this manual. After you have cleaned or
changed the air fi lter, please be sure to reset the fi lter timer.
27
Description
Confidential - Do Not Copy
PJ452