25
Troubleshooting
What appears to be a problem is not always serious. Please check the following points before
calling a service center.
Problem
Cause
Corrective action
General
Unit does not power on
Unit fuse blown.
Install new fuse with correct rating.
Car battery fuse blown.
Install new fuse with correct rating.
Illegal operation
Reset the unit.
No/low audio output
Improper audio output connection.
Check wiring and correct.
Volume set too low.
Increase volume level.
Speakers damaged.
Replace speakers.
Heavily biased volume balance.
Adjust the channel balance to center
position.
Speaker wiring is in contact with metal part
of car.
Insulate all speaker wiring connections.
Poor sound quality or
distortion
Pirated disc is in use.
Use original disc.
Speaker power rating does not match unit. Replace speakers.
Wrong connections.
Check wiring and correct.
Speaker is shorted.
Check wiring and correct.
Tel-Mute malfunction
MUTE wire is grounded.
Check the ‘MUTE’ wiring and correct.
Unit resets itself when
engine is off
Incorrect connection between ACC and
BATT.
Check wiring and correct.
TFT monitor
Warning information is
shown at all times
Parking break wiring is not correct.
Check wiring and correct.
Flashing image or
interference appears on
screen
The color system of DVD disc does not
match the monitor.
Adjust the color system of the DVD
disc playing back or the monitor in use.
Pirated disc is in use.
Use original disc.
Video cable damaged.
Replace cables.
Improper video signal connections.
Check wiring and correct.
Disc playback
Cannot insert disc
A disc is already inside the unit.
Eject current disc and insert new one.
Disc does not play back
Disc is warped or scratched.
Use disc in good condition.
Disc is dirty or wet.
Clean disc with soft cloth.
Incompatible disc is used.
Use compatible disc.
Disc is inserted upside down.
Insert disc with label side up.
Disc region code is not compatible with
unit.
Use disc with proper region code.
PBC cannot be used
during VCD playback
PBC is not available on the disc.
Use disc with PBC available.
Repeat or search
function is invalid during
VCD playback
PBC is on.
Turn PBC off.
Error messages
No disc
Disc is dirty.
Clean disc with soft cloth.
Disc is upside down.
Insert disc with label side up.
No disc inside.
Insert disc.
Bad disc
Disc is dirty.
Clean disc with soft cloth.
Disc is upside down.
Insert disc with label side up.
Unknown disc
Disc format is not compatible with this unit. Use disc with compatible format.
Region error
DVD region code is not compatible with
this unit.
Use disc with compatible region code.
