Troubleshooting - Dual XR4115 Installation & Owner's Manual

Problem
Unit will not turn on
(no power)
Unit has power
(but no sound)
Unit blows fuses
"SD ERR" or "USB ERR"
appears on display
Cause
Yellow wire not connected or incorrect voltage
Red wire not connected or incorrect voltage
Black wire not connected
Fuse blown
Speaker wires not connected
One or more speaker wires touching each
other or touching chassis ground
Yellow or red wire touching chassis ground
Speaker wires touching chassis ground
Incorrect fuse rating
USB or SD card compatibility issue
XR4115 WARRANTY

Troubleshooting

Check connections for proper
voltage (11~16VDC)
Check connection to ground
Check connections at speakers
Insulate all bare speaker wires from
each other and chassis ground
Check for pinched wire
Check for pinched wire
Use fuse with correct rating
Device capacity must be less than
File system is incompatible - it must
Action
Replace fuse
32GB.
be FAT or FAT32.