Boss Audio 620ua Manual De Usuario
10
TROUBLE SHOOTING
Before going through the checklist, check wiring connection. If any of the problems persist
after checklist has been made, consult your nearest service dealer.
Symptom Cause
Solution
No power.
The car ignition switch is not
on.
on.
If the power supply is connected
to the car accessory circuits, but
the engine is not running, switch
the ignition key to “ACC”.
to the car accessory circuits, but
the engine is not running, switch
the ignition key to “ACC”.
The fuse is blown.
Replace the fuse.
No sound.
Volume is in minimum
Adjust volume to a desired level.
Wiring is not properly
connected.
connected.
Check wiring connection.
The operation
keys do not work.
keys do not work.
The built-in microcomputer is
not operating properly due to
noise.
not operating properly due to
noise.
Press the RESET button.
Control panel is not properly fixed into
its place.
Control panel is not properly fixed into
its place.
The antenna cable is not
connected.
connected.
Insert the antenna cable firmly.
The radio does not
Work. The radio
station automatic
selection does not
work.
Work. The radio
station automatic
selection does not
work.
The signals are too weak.
Select a station manually.