Dual XDMR7710 owner manual Troubleshooting General, Problem Cause Action

XDMR7710 OPERATION

Troubleshooting - General

Problem	Cause	Action
Unit will not turn on	Yellow wire not connected or incorrect voltage	Check connections for proper voltage
(no power)	Red wire not connected or incorrect voltage	(11~16VDC)
	Black wire not connected	Check connection to ground
	Fuse blown	Replace fuse
Unit has power	Speaker wires not connected	Check connections at speakers
(but no sound)	One or more speaker wires touching each	Insulate all bare speaker wires from
	other or touching chassis ground	each other and chassis ground
Unit blows fuses	Yellow or red wire touching chassis ground	Check for pinched wire
	Speaker wires touching chassis ground	Check for pinched wire
	Incorrect fuse rating	Use fuse with correct rating
Excessive skipping	Unit is not mounted correctly or backstrap is	Check mounting sleeve and backstrap
	not secure	support
	Physical defect in media (CD, CD-R or CD-RW)	Check media for scratches
ERROR-01 appears	Disc read error	Press eject or RESET
on display
ERROR-02 appears	Focus error or disc is in upside down	Press eject or RESET
on display
ERROR-03 appears	FAT error	Press eject or RESET
on display
ERROR-04 appears	MP3/WMA decode error	Press eject or RESET
on display
PROTECT appears	The WMA file is copy-protected by DRM	Write disc using WMA files that are not
on display	(Digital Rights Management)	copy-protected
NO FILE appears	Selected file is not available in direct or	Repeat search using valid parameters
on display	alphanumeric search modes
INVALID appears	The file format is incompatible	Write disc using valid audio files with
on display		.mp3 or .wma file extensions
Unit will not accept	CD mechanism position out of alignment	Press EJECT for 3 seconds to reset
a disc		CD mechanism position
	CD transit screws still in place	Remove 2 transit screws located on
		top of the unit

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