Namsung America Inc.
21318 64th Ave. South
Kent, WA 98032
Toll Free: 1-866-626-7863
www.dualav.com
©2004 Namsung America, Inc.
EVOK0704-V01
XIA SERIES
OPERATION
Troubleshooting
Problem
Cause
Action
+12V wire not connected or incorrect voltage
REM wire not connected or incorrect voltage
Check connections for proper voltage
(11~16VDC)
GND wire not connected
Check connection to ground
Fuse(s) blown
Replace fuse(s)
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
Input signal not connected
Check high or low level inputs for proper
connection
Incorrect fuse rating
Use fuse(s) with correct rating
+12V wire touching chassis ground
Check for pinched wire
Speaker(s) defective or damaged
Check/replace speaker(s)
Unit will not turn on
(no power)
Unit has power
(but no sound)
Unit blows fuse(s)
Engine noise
Bad ground connection
Make sure amplifier is grounded to clean
bare metal
Signal ground loop or RFI (radio frequency
interference)
Re-route RCA cables from existing high
current wiring
LED illuminates red
(protect mode)
One or more speaker wires touching each
other or touching chassis ground
Insulate all bare speaker wires from
each other and chassis ground, reset
amplifier
Speaker(s) defective or damaged internally
shorted
Check/replace speaker(s)
Speaker load less than 2 ohms (stereo)
Speaker load less than 4 ohms (bridged)
Adjust speaker load - amplifier will not
operate at less than 4 ohms when bridged
Distorted audio output
Incorrect input signal type or input level too
high
Check connections and reduce/adjust
input level
Low audio output
Incorrect input signal type or low input level
Check connections and increase/adjust
input level
No illuminite output
(no lights)
Fuse blown - illuminite output (+12VDC) wire
touching chassis ground
Check or replace fuse
Use 2 amp ATO fuse only
illuminite (+) or (-) wires not connected
Check connections at speakers
illuminite connections wired wrong
(reverse polarity)
Reverse (+) and (-) connections
(Observe correct polarity)
illuminite speaker(s) defective or damaged
Check/replace speaker(s)
