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Troubleshooting - General
XMR6910 OPERATION
14
Problem Cause Action
Unit will not turn on
(no power)
Yellow wire not connected or incorrect voltage
Red wire not connected or incorrect voltage
Check connections for proper voltage
(11~16VDC)
Black wire not connected Check connection to ground
Fuse blown Replace fuse
Unit has power
(but no sound)
Speaker wires not connected Check connections at speakers
One or more speaker wires touching each
other or touching chassis ground
Insulate all bare speaker wires from
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
not secure
Check mounting sleeve and backstrap
support
Physical defect in media (CD, CD-R or CD-RW) Check media for scratches
ER-1 appears on display
Mechanism error Press eject or RESET
ER-2 appears on display
Servo error or disc is in upside down Press eject or RESET
Unit will not accept
a disc
CD mechanism position out of alignment Press EJECT for 3 seconds to reset
CD mechanism position
CD transit screws still in place Remove 2 transit screws located on top
of the unit