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ZE-NC514
37
TROUBLESHOOTING
■ What appears to be trouble is not always serious. Please check the following points
before calling a service center.
Problem Cause Corrective action
General
Unit can not power on.
Unit fuse blown. lnstall new fuse with correct rating.
Car battery fuse blown. lnstall new fuse with correct rating.
lllegal operation. Reset the unit.
Remote control does not work.
Battery depleted. Change the Battery.
Battery installed incorrectly. lnstall the battery correctly.
No/low audio output.
lmproper audio output connection. Check wiring and correct.
Volume set too low. lncrease 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.
lnsulate all speaker wiring connections.
Poor sound quality
or distortion.
Pirated disc is in use. Use original disc.
Speaker. 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.
lncorrect connection.
between ACC and BATT.
Check wiring and correct.
TFT monitor
Monitor does not open automatically. TFT Auto Open is turned off. Turn TFT Auto Open on.
Warning information is shown at all
times.
Parking break wiring is not correct. Check wiring and correct.
Flashing image or interference app
ears
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 us.
Pirated disc is in use. Use original disc.
Video cable damaged. Replace cables.
lmproper video signal connections. Check wiring and correct.