13
NA30C
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 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