Troubleshooting guide

Symptom	Cause	Solution

		If the power supply is properly connected
General	The car ignition is not on.	to the car accessory switch the ignition
No power	The fuse is blown.	key to “ACC”.
		Replace the fuse.
	Volume is in minimum.	Adjust volume to a desired level.
No sound	Wiring is not properly	Adjust volume to a desired level.
No sound	Wiring is not properly	Check wiring connection.
	connected.	Check wiring connection.
	connected.

The operation	The built-in microcomputer
The operation	is not operating properly	Press the RESET button.
keys do not	is not operating properly	Press the RESET button.
keys do not	due to noise.	Reinstall the front panel.
work.	due to noise.	Reinstall the front panel.
work.	Front panel is not properly
	Front panel is not properly
	fixed into its place.
The radio does
not work; the	The antenna cable is not	Insert the antenna cable firmly select a
radio station	The antenna cable is not	Insert the antenna cable firmly select a
radio station	connected the signals are	station manually.
automatic	connected the signals are	station manually.
automatic	too weak.
selection does	too weak.
selection does
not work.