Orion Car Audio CO6004 - Manual (Page 12)

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Troubleshooting Tips
Symptom Probable Cause Action To Take
No output
Low or no remote turn-on Check remote turn-on voltage at voltage
amplifi er and repair as needed.
Fuse blown Check power wire's integrity and check for
speaker shorts. Fix 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 RCA connections and repair or replace
as needed.
Speaker wires not connected Check speaker wires and repair or replace as
needed.
Speaker are blown Check system with known working speaker
and repair or replace speakers as needed.
Audio cycles on and off
Thermal protection engages
when amplifi er heat sink tem-
perature exceeds 50º C (122º F) Make sure there is proper ventilation for am-
plifi er and improve ventilation as needed.
Loose or poor audio input Check RCA connections and repair or replace
as needed.
Loose power connections Check power wires and ground connections
and repair or replace as needed.
Distorted output
Amplifi er level sensitivity set
too high exceeding maximum
capability of amplifi er Readjust gain. Refer to the Adjusting the
Sound of the System section of this manual
for detailed instructions.
Impedance load to amplifi er
too low Check speaker impedance load, if below 2 Ω,
rewire the speakers to achieve higher imped-
ance.
Shorted speaker wires Check speaker wires and repair or replace as
needed.
Speaker not connected to am-
plifi er properly. Check speaker wires and repair or replace as
needed. Refer to the Speaker Connections
section of this manual for detailed instruc-
tions
Internal crossover not set prop-
erly for speakers Readjust crossovers. Refer to the Internal
Crossover Confi guration section of this
manual for detailed instructions.
Speakers are blown Check system with known working speakers
and fi x or replace as needed.
Poor bass response
Speakers wired with wrong
polarity causing cancellation at
low frequencies. Check speaker polarity and fi x as needed.