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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. 11
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 10 minutes,
then turn the power on again.
11, 14
Either there is no lamp and/or lamp cover, or either
of these has not been properly xed.
Please turn the power off and disconnect the power plug from
the power outlet, and allow the projector to cool down at least
45 minutes. After the projector has sufciently cooled down,
please make conrmation of the attachment state of the lamp
and lamp cover, and then turn the power on again.
54, 55
Neither sounds
nor pictures are
outputted.
The signal cables are not correctly connected.
Correctly connect the connection cables. 9
Signal source does not correctly work.
Correctly set up the signal source device by referring to the
manual of the source device.
–
The input changeover settings are mismatched.
Select the input signal, and correct the settings. 15, 16
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.
15, 20
(Continued on next page)