Troubleshooting - Better BT5400 Manual De Operaciones

What appears to be trouble is not always serious. Please check the following points before calling
a service center.
Problem
Unit can not power on
Remote control does not work
No/low audio output
Poor sound quality or
distortion
Unit resets itself when engine
is off
Warning information is shown
at all times
Flashing image or interference
appears on screen

Troubleshooting

Cause
Unit fuse blown.
Car battery fuse blown.
Illegal operation
Battery depleted.
Battery installed incorrectly.
Improper audio output connection.
Volume set too low.
Speakers damaged.
Heavily biased volume balance.
Speaker wiring is in contact with metal part of car.
Pirated disc is in use.
Speaker power rating does not match unit.
Wrong connections.
Speaker is shorted.
Incorrect connection between ACC and BATT.
TFT monitor
Parking break wiring is not correct.
Video cable damaged.
Improper video signal connections.
EN-24
General
Install new fuse with correct rating.
Install new fuse with correct rating.
Reset the unit.
Change the battery.
Install the battery correctly.
Check wiring and correct.
Increase volume level.
Replace speakers.
Adjust the channel balance to center position.
Insulate all speaker wiring connections.
Use original disc.
Replace speakers.
Check wiring and correct.
Check wiring and correct.
Check wiring and correct.
Check wiring and correct.
Replace cables.
Check wiring and correct.
Corrective action