Aquatic AV AQ-AD300.2 - Manual (Page 12)

TROUBLE SHOOTNG
12
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AQ-AD300.2
Problem Probable Cause Solution
Amplifier doesn’t power up
(LED is off)
REM wire is not providing
+12V to the amplifier
Check wiring for remote turn-
on wire. Make sure the turn-
on source is providing 12V.
PWR wire is not providing
+12V to the amplifier
Check this wire all the way to
the battery. Make sure in-line
fuse is installed and has not
blown.
GND wire is not providing
ground to amplifier
Make sure the ground loca-
tion selected is providing a
good, clean ground.
Amplifier powers up, but
makes no sound
(LED is on)
Speaker wires are not con-
nected, or shorted
Check wiring from the ampli-
fier to each speaker in the
system. Make sure the wire
terminals are not shorting.
Input from source unit not
connected properly
Check High or Low level
input wiring from the source
unit to the main amplifier.
Source unit has no output Check source unit is func-
tioning properly. Refer to
manufacturers instructions if
necessary.
Speaker oitput sounds low or
distorted
Input gain level set incorrectly Set the gain levels using
instructions in the ‘Test and
Tune’ section of this manual.
If already completed this
step, lower the gain slightly
until the distortion stops.
Low battery condition Check your battery for proper
charge and replace if neces-
sary.
TROUBLESHOOTING MATRIX