Owner's Manual

26
ProFX8 and ProFX12
ProFX8 and ProFX12
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conrmtheproblem.Visitthesupportsectionof
our website (www.mackie.com) where you will find lots
of useful information such as FAQs, documentation and
user forums. You may find 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.
Bad Output
• Istheassociatedlevelfader(ifany)turnedup?
• AreanyOLLEDsoninthechannels,main
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.
• 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.
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 unplug whatever that is. If the
noise disappears, it’s from your whatever.
Power
• Checkthatthepowercordisrmlyconnected
at both ends.
Repair
For warranty service, refer to the warranty
information on page 32.
Non-warrantyservice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.
If you do not have access to our website, you can
call our Tech Support department at 1-800-898-3211,
Monday-Friday,normalbusinesshours,PacicTime,to
explain the problem. Tech Support will tell you where
the nearest factory-authorized service center is located
in your area.