Rockford Fosgate RFX9220M - Manual (Page 24)

24
T
ROUBLESHOOTING
S
YMPTOM
D
IAGNOSIS
R
EMEDY
Engine Noise Source unit is not grounded
properly Check connections and repair wiring as necessary
Noise is radiating into RCA signal
cable Check connections, run the RCA cables on a route
away from sources of high current
Bad component in the signal chain Check connections. Bypass all components
between the Source unit and the amplifier.
Connect one component at a time to determine
the culprit. Repair or replace components as
necessary
Noise is radiating into the speaker
cables Disconnect speakers and connect a test speaker to
the output terminals or the source unit. If noise is
gone, reroute the speaker cables away from
sources of high current
Multiple grounds in the audio
system Check ground connections and connect amplifiers,
signal processors, and other components to a
central location or try a different grounding point
on the chassis
IR Remote
IR Remote has
poor range Batteries are weak Check battery condition and replace as necessary
with (2) AAA (1.5 volt) batteries
Excessive dirt or dust on IR
Remote transmitter lens or unit
receiver lens Clean transmitter and receiver lens (compact disc
logo) with Plexiglas solution and a
non-abrasive cloth as necessary
IR remote is outside of optimum
transmitting range Operate IR remote within about 15 ft and ±45˚
from horizontal of the Source unit’s faceplate
High sunlight conditions Operate IR remote closer to Source Unit
IR Remote does
not work Batteries are dead Check battery condition and replace as necessary
with (2) AAA (1.5 volt) batteries
Batteries are installed incorrectly Check battery installation and fix if needed
(polarity is indicated in battery compartment)