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23
TROUBLESHOOTING
General
SYMPTOM DIAGNOSIS REMEDY
Voltage applied to Red and
Yellow wires is not between 10.8
and 16 volts or there is no volt-
age present
Source unit is not properly
grounded
Check battery, connections and fuses and
repair or replace as necessary. If voltage is
above +16 volts, have the electrical system
inspected by an authorized car service center.
Check wiring and repair as necessary
Source Unit
does not turn
on
Detachable faceplate not proper-
ly connected
Detach faceplate and reinstall into chassis
No backlight
illumination
Antenna is disconnected Check connections and repair as necessary
Tuner fails to
tune any radio
stations
Voltage applied to Red and
Yellow wires is not between 10.8
and 16 volts or there is no volt-
age present
Check battery, connections and fuses, and
repair or replace as necessary. If voltage is
above +16 volts, have the electrical system
inspected by an authorized car service center
Disc will not
load into
Source Unit
(also see error
codes)
Voltage applied to Yellow wire is
not between 10.8 and 16 volts or
there is no voltage present
Check battery, connections and fuses, and
repair or replace as necessary. If voltage is
above +16 volts, have the electrical system
inspected by an authorized car service center
Disc will not
eject
(also see error
codes)
Auto antenna and remote B+ are
not configured properly
Bad component in the signal
chain
Check wiring and repair as necessary. Refer to
“Wiring the System” section of this manual for
further information
Check connections and bypass all components
between the source unit and the amplifier.
Connect one component at a time to deter-
mine the culprit. Connect this component to
the Blue wire and check for pops. If pops per-
sist, repair or replace component as necessary
Speakers pop
when turning
Source Unit
On/Off
Antenna is disconnected or not
properly grounded to vehicle
Antenna cable is intermittent or
damaged
Antenna is wrong type for
AM/FM frequencies
Check connections and installation of antenna
and repair or replace as necessary
Disconnect antenna and test with known work-
ing antenna. If tuner works, check installation
and repair antenna wiring as necessary
Consult your local Authorized Rockford
Fosgate Dealer for proper antenna selection
Tuner has
poor
reception