Grundig GDP 1600P - Manual (Page 19)

Should your DVD player develop a problem, please check below before
requesting service:
Symptom Check and Action
No Power
Check if the power cord has been properly connected to the power outlet.
Check if the main power button on the DVD player has been switched on.
No Picture
Check if the system connection is proper and secure.
Check if the connection cables are damaged.
Clean the disc.
Please press OPEN button,then press PROGRAM and ZOOM button to
return factory default status.
Picture
noise / distorted
The disc is dirty or damaged. Clean the disc or try another disc.
Reset the color system of the TV set.
Try by connect player direct to the TV set, without via a VCR for example.
Picture not full
screen
Select the screen format from DVD disc menu.
Malfunction
Should the player develop a malfunction, unplug the player for
30 minutes. After 30 minutes, power on the player and the restore
function should reset the player.
Problem
message display
on screen
Moisture may be condensed inside the player. Remove the disc and
leave the unit power on for one or two hours.
No disc, load a disc.
Disc has been loaded upside down. Place the disc with the label side up.
Disc's region code does not match to the player.
Disc's rating level is higher than the player's rating level setting
Disc is not correct type for the player.
Disc is damaged or dirty, clean the disc or try another disc.
Does not play
Check if the TV set has power on, use TV remote to select A/V signal for
DVD rather than broadcast.
Select the screen format from the player's SETUP MENU,
see "SETUP MENU" of this manual.
Following message will display when there is a problem with the loaded disc:
" WRONG REGIONAL DISC " : Disc's region code dose not match to the player.
" WRONG PASSWORD " : The player refuse to play a disc with rating
level higher than the player's rating level setting.
" WRONG DISC " : The player is equipped with automatic disc
quality detection software. When the player detects a problem disc or a
damaged disc, the player may keep playing the disc at lower quality or
stop playing, depending on the damage level of the disc.
Press and hold the standby button (if any) for about 5 second to power off.
TROUBLE SHOOTING
Remote Control
Make sure that the Main Power button on the DVD player has been switched on.
18