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Trouble Shooting
Symptom Possible Cause Action to Take
no output low or no remote turn-on input check remote turn-on voltage output at
amplifier and correct as needed
fuse blown check power wire integrity and
reversed polarity repair as needed and
replace fuse
power wires not connected check power wire and ground
connections and repair of replace as
needed
audio input not connected or
no output from source
check input connections and signal
integrity, repair or replace as needed
speaker wires not connected check speaker wires and repair or
replace as needed
audio cycles on
and off
speakers are blown check system with known working
speaker and repair or replace speakers
as needed
thermal protection engages
when amplifier heatsink
temperature exceeds 90°C
make sure there is proper ventilation
for amplifier and improve ventilation as
needed
loose or poor audio input check input connections and repair or
replace as needed
distorted output amplifier level sensitivity set
too high; exceeding maximum
output capability of amplifier
reset gain referring to the tuning
section of the manual for detailed
instructions
impedance load to amplifier
too low
check speaker impedance load if below
2Ω stereo or 4Ω mono rewire speakers
to achieve a higher impedance
shorted speaker wires check speaker wire connections and
repair or replace as needed
speaker not connected to
amplifier properly
check speaker wiring and repair of
replace as needed refer to the
installation section of this manual for
detailed instructions
Symptom Possible Cause Action to Take
distorted output speakers are blown check system with known working
speakers and repair or replace as
needed
poor bass
response
speakers wired wrong polarity
causing cancellation at low
frequencies
check speaker polarity and repair as
needed
crossover set incorrectly reset crossovers referring to the multi-
cross crossover configuration section
of this manual for detailed instructions
• 6 •
6


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