Rockford Fosgate OEQ2 HIGH Installation & Operation Manual page 25

Symptom
Turn-On Pop
Distorted or Low
Output
Several LEDs
illuminating with
no music playing
Engine Noise
Diagnosis
Voltage spike from out-
put of preceding com-
ponent is entering OEQ
through input signal
Input gains are incor-
rectly set.
Output attenuators set
to minimum or incor-
rectly set.
Source unit output too
low or source unit has
no output.
RCAs or BLT cable be-
tween source and OEQ
have bad or broken
ground shield.
Source unit is not prop-
erly grounded.
Noise is radiating into
RCA signal cable.
– 22 –
Remedy
Disconnect input signal to
OEQ and turn OEQ
2
off. If noise is eliminated, con-
2
nect REM lead of OEQ
remote turn-on wire with a
delay module.
Readjust input gain of OEQ2
as necessary. Refer to Installa-
tion section of this manual for
proper level adjustment.
Readjust output attenuators as
necessary. Refer to Installa-
tion section of this manual for
proper level adjustment.
Check system with known
working source and repair or
replace original source as
needed.
Replace cables with known
good cables and repair or re-
2
place as necessary.
Check wiring and repair as
necessary or connect ground
to different location.
Check connections and run
the RCA cables on a different
route away from sources of
high current. If radiated noise
persists, use a BLT.
TROUBLE-S
H
O
O
T
I
N
G
on and
2
to
2