- 36 -
Troubleshooting guide
Before requesting service, please perform the
following checks.
If the problem remains unresolved, consult
your dealer for instructions.
The following do not indicate a problem with
this unit:
– Regular disc rotating sounds.
– Image disturbance during search.
– Image disturbance when replacing 3D discs.
∫
Unit does not respond to remote
control or unit’s buttons.
Press and hold [
Í
/I] on the main unit for
3 seconds.
– If still unable to turn the unit off, disconnect the
AC mains lead, wait 1 minute, then reconnect
the AC mains lead.
∫
Cannot eject disc.
1
While the unit is on
Press and hold [OK], the yellow button and
the blue button on the remote control at the
same time for more than 5 seconds.
– POWER LED starts to flash, and “00 RET”
is displayed on the screen.
2
Press [
1
] (right) repeatedly on the remote
control until “06 FTO” is displayed on the
screen.
3
Press [OK].
To return to the factory default.
h
Select “Yes” in “Default Settings” in the Setup
menu. (
To return all settings to the factory preset.
h
Reset the unit as follows:
1
While the unit is on
Press and hold [OK], the yellow button and
the blue button on the remote control at the
same time for more than 5 seconds.
– POWER LED starts to flash, and “00 RET”
is displayed on the screen.
2
Press [
1
] (right) repeatedly on the remote
control until “08 FIN” is displayed on the
screen.
3
Press and hold [OK] for more than 5 seconds.
This unit is turned off when the input for the
TV is switched.
h
This is a normal phenomenon when using
VIERA Link. For details please read the
operating instructions for the TV.
The remote control doesn’t work properly.
h
Change the batteries in the remote control.
(
h
The remote control and this unit are using
different codes.
Turn on this unit by using [
Í
/I] on the main
unit, and check “Remote Control
”, which is
displayed on the screen when you press a
button on the remote control.
Press and hold [OK] and the displayed
number (“
”) for more than 5 seconds.
This unit is turned off automatically.
h
To save on electricity, this unit is turned off
automatically depending on the media if there
is no button operation for about 20 minutes
when not playing back (such as when paused
or displaying the menu, displaying still
pictures, etc.).
Do you have the latest firmware installed?
Panasonic is constantly improving the unit’s
firmware to ensure that our customers are
enjoying the latest technology. (
General operation
Summary of Contents for DP-UB420
Page 45: ...45 Reference...
