Orion CobaltTM G42110 - Manual (Page 12)

© 2007 directed electronics—all rights reserved 
Troubleshooting Tips
Symptom Probable Cause Action To Take
No output
Low or no remote turn-on Check remote turn-on voltage at voltage
amplifier 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 amplifier heat sink tem-
perature exceeds 50º C (22º F) Make sure there is proper ventilation for am-
plifier 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
Amplifier level sensitivity set
too high exceeding maximum
capability of amplifier readjust gain . refer to the Adjusting the
Sound of the System section of this manual
for detailed instructions .
Impedance load to amplifier
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-
plifier 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 Configuration section of this
manual for detailed instructions .
Speakers are blown Check system with known working speakers
and fix or replace as needed .
Poor bass response
Speakers wired with wrong
polarity causing cancellation at
low frequencies . Check speaker polarity and fix as needed .