Troubleshooting - Rockford Fosgate FNP2414 Installation & Operation Manual

T
ROUBLESHOOTING
Symptom
No sound from
speakers
Distorted sound
from speakers
Tweeters "burn
up" easily
Engine noise
from one or
more speakers
Diagnosis
Wires between amplifier,
crossover, or speakers not
connected properly
Amplifier has no output
Speaker wires are shorted
to each other or to the
chassis of the vehicle
Speakers are blown
Incorrect wiring between
crossover and speakers
Excessive power from
amplifier
Equalizer in system (if avail-
able) has excessive boost in
the high frequency range
Speaker wires shorted to
chassis of vehicle
Speaker wires are routed
near radiated noise source
(power cables, vehicle com-
puters, etc.)
Crossover is mounted near
radiated noise source
(power cables, vehicle com-
puters, etc.)
– 7 –
Remedy
Check wiring, and repair or
replace as needed
Check system with known
working amplifier and repair
or replace as needed
Check for shorts in the wiring
with a volt/ohm meter, and
repair or replace wires as
needed
Check system with known
working speaker, and repair or
replace as needed
Check wiring, and repair or
replace as needed
Check gain settings on ampli-
fier and readjust as necessary
Check settings on equalizer
and readjust as necessary
Check for shorts in the wiring
with a volt/ohm meter, and
repair or replace wires as
needed
Re-route speaker wiring away
from noise sources (refer to
the Installation Considerations
section of this manual)
Move crossovers away from
noise sources (refer to the
Installation Considerations
section of this manual)
TROUBLE-S
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