13
XR4115 WARRANTY
Troubleshooting
Problem Cause Action
Unit will not turn on
(no power)
Yellowwirenotconnectedorincorrectvoltage
Redwirenotconnectedorincorrectvoltage
Checkconnectionsforproper
voltage(11~16VDC)
Blackwirenotconnected Checkconnectiontoground
Fuse blown Replacefuse
Unit has power
(but no sound)
Speakerwiresnotconnected Checkconnectionsatspeakers
Oneormorespeakerwirestouchingeach
otherortouchingchassisground
Insulateallbarespeakerwiresfrom
eachotherandchassisground
Unit blows fuses
Yelloworredwiretouchingchassisground Checkforpinchedwire
Speakerwirestouchingchassisground Checkforpinchedwire
Incorrectfuserating Usefusewithcorrectrating
"SD ERR" or "USB ERR"
appears on display
USBorSDcardcompatibilityissue
Devicecapacitymustbelessthan
32GB.
Filesystemisincompatible-itmust
beFATorFAT32.