Phenomena That May Easily Be Mistaken For Machine Defects - ViewSonic PJ400-2 User Manual

Troubleshooting

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, imme-
diately 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 pin or similar.
3.
Some setting may be wrong. Please use the FACTORY RESET function of
SERVICE menu in the OPTION menu to reset all settings to factory default.
Then, if the problem is not removed after maintenance, please contact your dealer
or service company.
Phenomenon
Power does not
come on.
ViewSonic
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.
PJ400
Refer-
ence
page
15
16
16, 17
41, 42
50