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troubleshooting
symptom possible cause action to take
no output low or no remote turn-on check remote turn-on voltage
input 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 or
replace as needed
audio input not connected check input connections and
or no output from source 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 make sure there is proper
when amplifier heatsink ventilation for amplifier and
temperature exceeds 90° C 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 reset gain referring to the
high; exceeding maximum tuning section of the manual
output capability of amplifier for detailed instructions
impedance load to amplifier too check speaker impedance load
low if below 2 stereo or 4
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 check speaker wiring and
amplifier properly repair or replace as needed
refer to the installation section
of this manual for detailed
instructions
internal crossover not set reset crossovers referring to the
properly for speaker multi-cross™ crossover
configuration section of this
manual
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