Phenomena That May Easily Be Mistaken For Machine Defects - ViewSonic PJ452 - LCD XGA Projector-4.9LBS User Manual

Phenomena that may easily be mistaken for machine
defects
WARNING ► Never use the projector if abnormal operations such as smoke,
strange odor, excessive sound, damaged casing or elements or cables, penetration
of liquids or foreign matter, etc. should occur. In such cases, immediately turn off
the power switch and then disconnect the power plug from the power outlet. After
making sure that the smoke or odor has stopped, contact your dealer or service
company.
1. Before requesting repair, please check in accordance with the following chart.
This operation sometimes resolves your problem.
If the situation cannot be corrected,
2. The projector's microprocessor may need to be reset. Please push the Restart
switch by using a cocktail stick or similar and the projector will restart.
Phenomenon
Power does not
come on.
ViewSonic PJ452
Cases not involving a machine defect
The electrical power cord is not plugged in.
Correctly connect the power cord.
The power switch is not set to the on position.
Set the power switch to [ | ] (On).
The main power source has been interrupted
during operation such as by a power outage
(blackout), etc.
Please turn the power off, and allow the unit to
cool down at least 20 minutes. After the projector
has sufficiently cooled down, please turn the
power on again.
Either there is no lamp and/or lamp cover, or
either of these has not been properly fixed.
Please turn the power off, and allow the unit to
cool down at least 45 minutes. After the projector
has sufficiently cooled down, please make
confirmation of the attachment state of the lamp
and lamp cover, and then turn the power on
again.
Reference
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