Rockford Fosgate FNX-1406F, FNX-1405, FNX-1404 manual Troubleshooting

TROUBLESHOOTING

TROUBLE-S H O O T

I N G

Symptom	Diagnosis				Remedy
No sound from	Wires between			amplifier,	Check and repair or replace
speakers	crossover or speakers not				wiring as needed.
	connected properly.
	Amplifier has no output.				Check system with known work-
					ing amplifier and repair or re-
					place as needed.
	Speaker wires are shorted				Check for shorts in the wiring
	to each other or to the chas-				with a volt/ohm meter and re-
	sis of the vehicle.				pair or replace wires as needed
	Speakers are blown.				Check system with known work-
					ing speaker and repair or re-
					place as needed.
Distorted sound	Incorrect	wiring		between	Check wiring and repair or re-
from speakers	crossover and speakers				place as needed.
Tweeters “burn	Excessive power from am-				Check gain settings on ampli-
up” easily	plifier				fier and readjust as necessary
	Equalizer		in system (if		Check settings on equalizer and
	available)		has excessive		readjust as necessary
	boost in the high frequency
	range
Engine Noise from	Speaker	wires shorted to			Check for shorts in the wiring
One or More	chassis of vehicle.				with a volt/ohm meter and re-
Speakers					pair 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	the Installation Consider-
	computers, etc.)				ations section of this manual.)
	Crossover is mounted near				Move crossovers away from
	radiated		noise	source.	noise sources. (Refer to the In-
	(Power	cables,		vehicle	stallation Considerations sec-
	computers, etc.)				tion of this manual.)

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