Dual Electronics Corporation MXD254B, Installation & Owner'S Manual

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9
Troubleshooting
Problem Cause Action
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
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
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
Unit is not mounted correctly or backstrap is
not secure
CD mechanism position out of alignment
CD transit screws still in place
Check mounting sleeve and backstrap
support
Physical defect in media (CD, CD-R or CD-RW) Check media for scratches
Press EJECT for 3 seconds to reset
CD mechanism position
Remove 2 transit screws located on top
of the unit.
Unit will not turn on
(no power)
Unit has power
(but no sound)
Unit blows fuses
Excessive skipping
Unit will not accept
a disc
Error Codes
Error Code Cause Action
ER-1 appears on display Disc error Press eject or RESET
ER-2 appears on display Mechanism error Press eject or RESET
ER-3 appears on display Servo error or disc is in upside down Press eject or RESET
MXD254B OPERATION