Panasonic 5300U, CQ-5500U manual Troubleshooting Tips, Problem Possible Cause Probable Solution

Troubleshooting (continued)

❏Troubleshooting Tips

PROBLEM	POSSIBLE CAUSE	PROBABLE SOLUTION
Unit does not turn on.	Dead vehicle battery	Charge vehicle battery.
	Ignition or ACC is not on.	Turn ignition to On or ACC.
	Bad power line connection	Check connections.
	Fuse burned out	Replace fuse.(consult your dealer)
Radio has static.	Antenna not hooked up	Hook up antenna.
	Close to high power lines	Move away from high power lines.
Radio memory buttons do not	Not holding buttons down long	Press and hold buttons for more
work.	enough	than 2 seconds.
No sound can be heard even if	The compact disc is inverted.	Insert the disc with label side
the disc is properly loaded.		facing up.
	The compact disc is dirty.	Try to clean the compact disc by
		instructions of disc cleaning.
	The temperature inside the	Give the interior a chance to cool
	vehicle is more than 140°F (60°C)	down before using the unit.
	Excessive moisture	Wait for a while before using the
		unit.
	Wiring connection is not properly	Confirm all wiring connection
	done.	such as power cord, speaker
		cords, etc.
	Volume control is at "minimum"	Adjust the volume control to the
	position.	proper level.
	Fuse of amplifier is blown out.	Replace the fuse with the correct
		rating.
Sound distorted due to vibration	Installing method is bad.	Fix the unit securely.
Inverted sound (Left/Right conn-	The speaker cords are inverted.	Check the speaker cords.
ections.)
No sound from front or rear	The fader control is set on the	Adjust the fader control of the
speakers	wrong position.	unit correctly.
Sound distorted sometimes	The compact disc may be	Try to replace the disc with
	defective.	another one.
	The compact disc is dirty.	Try to clean the compact disc by
		instructions of disc cleaning.
A compact disc is sometimes	The pickup lens is dirty.	Clean the lens. (Use CD lens
ejected. (Display shows "E1", an		cleaning disc.)
error message.)

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