Episode ECA-70MIXAMP-1-240, Руководство пользователя

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ECA-70MIXAMP-1-240 Installation Manual
pg. 13
© 2012 Episode®
Troubleshooting
Note: If any of the troubleshooting methods listed above do not resolve the issue, please contact our Technical Support department.
Amp will not turn on.
•
Power cable to the amplifier is incorrectly connected or plugged into an
outlet that does not have power. Check connections and verify power
on the outlet.
•
Main Power Fuse is blown. Replace fuse and ensure power outlet is
providing the correct power and polarity for the amplifier
POWER LED is red
•
Amplifier is in Protection mode. Short circuit on input or output or too
much current being drawn on speaker output. Verify all wiring and
connections.
•
Calculate load attached to amp and configure so that impedance or
wattage output is within specification.
•
Amplifier is overheating. Unplug amp and let cool. Install per instruc-
tions in manual, “Positioning the Amplifier”.
Hum or buzzing sound is heard.
•
Check RCA input cables by removing them one at time (powering down
the amplifier before disconnecting) and checking to see if a connection
or cable is to blame.
No audio from speakers.
•
Verify speakers and wiring connections. Bypass volume controls and
test output with one speaker on known good wire run.
•
Be sure that amp jumper is in place between “Pre-Out” and “Amp In”
ports.
•
Verify correct source operation and input wiring. Turn volume in source
up to an audible level. Turn Input or Master volume up to an audible
level.
•
Is Power LED red? If so, see section above, “POWER LED is RED”.
No sound from microphone input
•
Set the phantom power switch to the correct mode for microphone.
Verify with microphone manufacturer.