Mackie ProFX8 User Manual
26
ProFX8 and ProFX12
Pr
oFX8 and Pr
oFX12
Appendix A: Service Information
If you think your ProFX mixer has a problem, please
check out the following troubleshooting tips and do your
best to confi rm the problem. Visit the support section of
our website (www.mackie.com) where you will fi nd lots
of useful information such as FAQs, documentation and
user forums. You may fi nd the answer to the problem
without having to send your mixer away.
best to confi rm the problem. Visit the support section of
our website (www.mackie.com) where you will fi nd lots
of useful information such as FAQs, documentation and
user forums. You may fi nd the answer to the problem
without having to send your mixer away.
Troubleshooting
Bad Channel
•
Has the gain been set correctly?
•
Is the mute switch on?
•
Is the fader turned up?
•
Is the channel OL LED on?
•
Is the channel EQ set moderately?
•
Try unplugging any insert devices.
•
Try the same source signal in another channel,
set up exactly like the suspect channel.
set up exactly like the suspect channel.
Bad Output
•
Is the associated level fader (if any) turned up?
•
Are any OL LEDS on in the channels, main
meters or internal FX?
meters or internal FX?
•
If it’s one of the main outs, try unplugging all
the others. For example, if it’s the 1⁄4" left main
out, unplug the RCA and XLR left outputs. If
the problem goes away, its not the mixer.
the others. For example, if it’s the 1⁄4" left main
out, unplug the RCA and XLR left outputs. If
the problem goes away, its not the mixer.
•
If it’s a stereo pair, try switching them around.
For example, if a left output is presumed dead,
switch the left and right cords, at the mixer
end. If the problem switches sides, it’s not the
mixer.
For example, if a left output is presumed dead,
switch the left and right cords, at the mixer
end. If the problem switches sides, it’s not the
mixer.
Noise
•
Turn the channel gain and faders down, one
by one. If the sound disappears, it’s either that
channel or whatever is plugged into it, so un-
plug whatever that is. If the noise disappears,
it’s from your whatever.
by one. If the sound disappears, it’s either that
channel or whatever is plugged into it, so un-
plug whatever that is. If the noise disappears,
it’s from your whatever.
Power
•
Unplug the power cord and check the fuse
located in a fuse tray just below the AC power
connector.
located in a fuse tray just below the AC power
connector.
Repair
For warranty repair or replacement, refer to the war-
ranty information on page 35.
Non-warranty repair for Mackie products is available
at a factory-authorized service center. To locate your
nearest service center, visit www.mackie.com, click
“Support” and select “Locate a Service Center.” Service
for Mackie products living outside the United States can
be obtained through local dealers or distributors.
nearest service center, visit www.mackie.com, click
“Support” and select “Locate a Service Center.” Service
for Mackie products living outside the United States can
be obtained through local dealers or distributors.
If you do not have access to our website, you can call
our Tech Support department at 1-800-898-3211, Mon-
day-Friday, 7 am to 5 pm Pacifi c Time, to explain the
problem. Tech Support will tell you where the nearest
factory-authorized service center is located in your area.
day-Friday, 7 am to 5 pm Pacifi c Time, to explain the
problem. Tech Support will tell you where the nearest
factory-authorized service center is located in your area.