Dual AM505BT Owner's Manual

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21
AM505BT
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
WMA file is protected by DRM (Digital 
Rights Management)
Use WMA files that are not 
protected
No playable MP3/WMA files found on 
the device
Check the device for valid 
MP3/WMA files
Communication error
Remove and reconnect the 
device
NO SUPPORT appears 
on display
An invalid ID3 tag version is present
Version 1.0 to 2.4 ID3 tags are 
supported. 
Troubleshooting