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15
4) Alternating Red and Green: lights to indicate
that the amplifier is experiencing a fault
that may require service of the amplifier, its
wiring or the vehicle’s charging system. Audio
is muted when this fault occurs. The most
likely cause of this fault is a low supply voltage
condition. If battery voltage drops below 8.5
volts at any point, the amplifier (except for the
“Status” LED) will shut itself off to protect itself
and the vehicle’s charging system. If the voltage
drops below 6 volts, the “Status” LED will also
turn off.
The amplifier will turn back on automatically
when voltage climbs back above 9 volts. This
shut-down and turn-on behavior may happen
in a rapid cycle when bass-heavy program
material causes a weak charging system to
momentarily dip too low. If this is happening
in your system, have your charging system
inspected to make sure it is working properly.
If no problem is found with the supply
voltage to the amplifier and you are
still seeing alternating Red and Green
on the “Status” LED, it is likely that the
amplifier is suffering from an internal
fault that requires factory service.
For more information on troubleshooting this
amplifier, refer to Appendix D (pages 20, 21).
SERVICING YOUR JL AUDIO AMPLIFIER
If your amplifier fails or malfunctions, please
return it to your authorized JL Audio dealer so
that it may be sent in to JL Audio for service.
There are no user serviceable parts or fuses inside
the amplifier. The unique nature of the circuitry
in the JL Audio amplifiers requires specifically
trained service personnel. Do not attempt
to service the amplifier yourself or through
unauthorized repair facilities. This will not only
void the warranty, but may result in the creation
of more problems within the amplifier.
If you have any questions about the installation or
setup of the amplifier not covered in this manual,
please contact your dealer or technical support.
JL Audio Technical Support:
(954) 443-1100
9:00 AM – 5:30 PM (Eastern Time Zone)
Monday - Friday
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