Rockford Fosgate FNP2414, FNP2614U, FNP2514 manual Troubleshooting, Symptom Diagnosis Remedy

TROUBLESHOOTING

TROUBLE-S H O O T I N G

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

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