95
QM01001-1
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it
according to the following table.
Phenomenon
Cases not involving a machine defect
Reference
page
Power does not
come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.
28
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the power outlet,
and allow the projector to cool down at least 20 minutes,
then turn the power on again.
28, 33
Operations
other than
power on/off are
not available.
OSD MESSAGE is set to INHIBIT.
Press the
OSD MSG
button on the remote control for
more than 3 seconds to display the OSD MESSAGE
dialog, then change the setting.
37, 63
Neither sounds
nor pictures are
output.
The signal cables are not correctly connected.
Connect the connection cables correctly.
23
~
27
Signal source does not correctly work.
Set up the signal source device correctly by referring to
the manual of the source device.
–
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
36
The BLANK function for pictures and the MUTE
function for sounds are working.
AV MUTE may be active.
Refer to the item “Sound does not come out” and “No
pictures are displayed” on the next page to turn off the
MUTE and BLANK functions.
35, 43
(continued on next page)
Resetting all settings
When it is hard to correct some wrong settings, the FACTORY RESET function of
SERVICE item in OPTION menu (
78
) can reset all settings (except settings such
as STANDBY MODE, AUTO BLANK, LANGUAGE, LIGHT SOURCE TIME, FILTER
TIME, FILTER MESSAGE, SECURITY and COMMUNICATION) to the factory
default.
