SoundMax SM-CDM1040 instruction manual Troubleshooting guide, Symptom Cause Solution

Troubleshooting guide

Symptom	Cause	Solution
No power	The car ignition is not on.	If the power supply is properly
		connected to the car accessory
		switch the ignition key to "ACC".
	The fuse is blown.	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.	Insert the compact disc with the
		label facing upward.
	Compact disc is extremely dirty or	Clean the disc or try to play a
	defective.	new one.
	Temperature inside the car is too	Cool off until the ambient
	high.	temperature becomes normal.
No sound	Volume is at the minimum.	Adjust volume to a desired level.
	Wiring is not properly connected.	Check wiring connection.
The operation buttons	The built-in microcomputer is not	Press the RESET button.
do not work.	operating properly due to noise.
	Front panel is not properly fixed	Reinstall the front panel.
	into its place.
Sound skips.	The installation angle is more than	Adjust the installation angle to
	30 degrees.	less than 30 degrees.
	The disc is extremely dirty or	Clean the compact disc or try to
	defective.	play a new one.
The radio does not	The antenna cable is not	Insert the antenna cable firmly.
work, the radio station	connected. The signals are too	Select a station manually.
automatic selection	weak.
does not work.

28