Phenomena That May Be Easy To Be Mistaken For Machine Defects - Dukane 8917H User Manual

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
Power does not
come on.
Neither sounds
nor pictures are
outputted.
Sound does not
come out.
(Continued on next page)
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 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.
Either there is no lamp and/or lamp cover, or either
of these has not been properly fixed.
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 sufficiently cooled down,
please make confirmation of the attachment state of the lamp
and lamp cover, and then turn the power on again.
The signal cables are not correctly connected.
Correctly connect the connection cables.
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.
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.
The signal cables are not correctly connected.
Correctly connect the audio cables.
The MUTE function is working.
Restore the sound pressing MUTE or VOLUME +/- button
on the remote control.
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function
or the remote control.
Troubleshooting
Reference
page
11
14
11, 14
55, 56
9
–
15, 16
43,
15, 21
9
15
15
63