11
MXD105 INSTALLATION
Troubleshooting 

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
NO FILE appears 
on display
NoplayableMP3/WMAfilesfoundon
thedevice
Checkthedeviceforvalid
MP3/WMAfiles
NO SUPPORT appears 
on display AninvalidID3tagversionispresent Version1.0to2.0ID3tags are
supported.