17
Troubleshooting guide
Symptom
Cause
Solution
General
No power
The car ignition is not on.
The fuse is blown.
If the power supply is properly connected
to the car accessory switch the ignition
key to “ACC”.
Replace the fuse.
No sound
Volume is in minimum.
Wiring is not properly
connected.
Adjust volume to a desired level.
Check wiring connection.
The operation
keys do not
work.
The built-in microcomputer
is not operating properly
due to noise.
Front panel is not properly
fixed into its place.
Press the RESET button.
Reinstall the front panel.
The radio does
not work; the
radio station
automatic
selection does
not work.
The antenna cable is not
connected the signals are
too weak.
Insert the antenna cable firmly select a
station manually.
