SoundMax SM-CDM1040 - Manual (Page 28)

28
Troubleshooting guide
Symptom Cause Solution
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 loaded. There is a disc inside the unit. Remove the disc from the unit.
Disc cannot be read. The disc inserted 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 becomes normal.
No sound Volume is at the minimum.
Wiring is not properly connected.
Adjust volume to a desired level.
Check wiring connection.
The operation buttons
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 or 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.