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troUblesHooting
If the product is not working properly, please check the following troubleshooting hints before you contact customer
service:
symptoms
Possible solution
Blank screen
Check the status LED. If the status LED is red, the DFU is in standby and the monitor is black,
this is normal. If the status LED is green and the monitor is black, the DFU might perform an
input scan with no available signal. Please check if an input source is available and that the
port of the device has been connected correctly in the Service Settings / Input Ports menu.
Press
on your remote control: you should see the OSD menu. Check your settings for
misconfi gurations and adjust accordingly. Alternatively, perform a factory reset to restore the
DFU to its default settings. If the problem still exists contact customer service.
Color defects
Check that the signal cable connector is properly connected and that the connection pins are
not bent or damaged.
Image is unsatisfactory
Adjust the picture characteristics as described in the above-mentioned section “Image
Settings”.
No signal
Check that the connected media sources are switched on. Check that the signal cable
connector is properly connected and that the connection pins are not bent or damaged.
Press
on your remote control: you should see the OSD menu. Check your settings for
misconfi gurations and adjust accordingly. Alternatively, perform a factory reset to restore the
DFU to its default settings. If the problem still exists contact customer service.
Low or no sound
Press
and/or
on your remote control and check the audio connection cable(s). Make
sure that the Volume Limit setting in the Service Settings menu has been set to an audible
value.
Remote doesn´t work
Press a button on the remote control and check that the status LED of the DFU fl ashes briefl y.
If it doesn´t, replace the batteries of the remote control with new ones.
