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Troubleshooting
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 respond
as described below. If the same message is displayed after the treatment, 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
ON ***
There is no input signal.
Please con rm the signal input connection, and the status
of the signal source.
SYNC IS OUT OF RANGE
ON *** fH *****kHz fV *****Hz
The horizontal or vertical wavelength of the inputted
signal is outside of the response parameters of this unit.
Please con rm the specs for this unit or the signal source specs.
CHECK THE AIR FLOW
The internal portion temperature is rising.
Please turn the power OFF, and allow the unit to cool down at least 20 minutes.
After having con rmed the following items, please turn the power ON again.
• Is there blockage of the air passage aperture?
• Is the air
•
Does the peripheral temperature exceed 35°C?
•
If the same indication is displayed after the treatment, please s
e
t the
HIGH at the F
AN SPEED of the item SERVICE of the OPTION menu.
ViewSonic PJ552 / PJ562 42
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 filter timer has counted has reached
100 hours.
Please clear or change the air filter by referring to the
section "Air filter". After caring for the air filter, Please be
sure to reset the filter timer.
To maximize
performance, lamp
replacement is
recommended.
CLEAN THE AIR FILTER
POWER OFF FIRST,
THEN CLEAN THE AIR
FILTER. AFTER
CLEANNING THE AIR
FILTER, RESET THE
FILTER TIMER.