Instruction Manual
Page 21
... each other Power wire shorting to Make sure wire is not pinched ground Speaker wires shorting Make sure wire is not pinched to yellow wire; MP6212 TROUBLESHOOTING Problem Does not operate (display does not light) No power to unit No speakers operate (display lights normally) Not all speakers operate Blows fuses... wires shorting Check splices; fuse too Install fuse of correct rating small 19 no power to red wire Inline fuse blown Inline fuse blown Speaker harness not connected Corrective Action Check connection with test light Replace fuse Check/replace fuse Connect speaker...
... each other Power wire shorting to Make sure wire is not pinched ground Speaker wires shorting Make sure wire is not pinched to yellow wire; MP6212 TROUBLESHOOTING Problem Does not operate (display does not light) No power to unit No speakers operate (display lights normally) Not all speakers operate Blows fuses... wires shorting Check splices; fuse too Install fuse of correct rating small 19 no power to red wire Inline fuse blown Inline fuse blown Speaker harness not connected Corrective Action Check connection with test light Replace fuse Check/replace fuse Connect speaker...