TR O U B L E S H O O T I N G

TROUBLE-S H O O T

I N G

Symptom

Diagnosis

Remedy

 

 

 

No sound from

Wires between amplifier,

Check and repair or

speakers

crossover and speakers

replace wiring as needed.

 

not connected properly.

 

 

 

 

 

Amplifier has no output.

Check system with known

 

 

working amplifier and re-

 

 

pair or replace as needed.

 

 

 

 

Speaker wires are

Check for shorts in the

 

shorted to each other or

wiring with a volt/ohm

 

to the chassis of the

meter and repair or

 

vehicle.

replaced wires as needed.

 

 

 

 

Speakers are blown.

Check system with known

 

 

working speaker and repair

 

 

or replace as needed.

 

 

 

Tweeters “burn

Crossover is in “passive fil-

Check wiring and re-config-

up” easily

ter bypass” configuration.

ure as needed.

 

 

 

 

External crossover is not fil-

Check configuration of ex-

 

tering the tweeter properly.

ternal crossover and re-con-

 

 

figure for at least 6kHz @

 

 

18dB/octave

 

 

 

 

Excessive clipping from

Check gain settings on am-

 

amplifier.

plifier and readjust as

 

 

needed.

 

 

 

 

Equalizer in system (if avail-

Check settings on equalizer

 

able) has excessive boost in

and readjust as needed.

 

the high frequency range.

 

 

 

 

Distorted sound

Incorrect wiring between

Check wiring and repair

from speakers

crossover and speakers

or replace as needed.

 

 

 

Engine Noise

Speaker wires shorted

Check for shorts in the wir-

to chassis of vehicle.

ing with a volt/ohm meter

from One

 

and repair or replace wires

or More

 

 

as needed.

Speakers

 

 

 

 

Crossover is mounted near

Move crossovers away from

 

radiated noise source.

noise sources. (Refer to In-

 

(Power cables, computers,

stallation section of manual

 

etc.)

on crossovers.)

 

 

 

– 12 –

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Rockford Fosgate PCH-414, PCH-514, PCH-614, PCH-314, PCH-14X manual Tr O U B L E S H O O T I N G, Symptom Diagnosis Remedy