Axxera ASBT504, Owner'S Manual

Page: 10 / 16

10
INSTALLATION
Troubleshooting
Problem Cause Action
Unit will not turn on
(no power LED
indicator)
+12V wire not connected or incorrect
voltage. Check connections for proper voltage
(11~16VDC)
GND wire not connected Check connection to ground
ACC wire not connected. Check connection to ACC line.
Power LED is solid
in red, but no
sound.
Power LED is
blinking.
Engine noise
Distorted audio
output
Low audio output
REM OUT wire not connected.
Check the REM connection between
Smart EQ and amplifier.
Audio out wire not connected.
Check audio out connection
between Smart EQ and amplifier.
No problem
Play music from head unit
or smartphone.
Bad ground connection
Make sure Smart EQ and amplifier
are grounded to clean bare metal.
Signal ground loop or RFI
(radio frequency interference) Re-route RCA cables from existing
high current wiring.
Incorrect input signal type
or input level too high Check connections and
reduce/adjust input level
Incorrect input signal type
or input level too low Check connections and reduce/
adjust input level