21
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.
Disc cannot be
read
Inserting the disc in upside
down.
Compact disc is extremely
dirty or defective.
Temperature inside the car
is too high.
Insert the compact disc with the label
facing upward.
Clean the disc or try to play a new one.
Cool off until the ambient temperature
returns to normal.
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.
Sound skips.
The installation angle is
more than 30 degrees.
The disc is extremely dirty
or defective.
Adjust the installation angle to less than
30 degrees.
Clean the compact disc/try to play a new
one.
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.