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Repair
Service for Mackie products is available at a factory-
authorized service center. Service for Mackie products
outside the United States can be obtained through local
dealers or distributors.
If your S218s needs ser vice, please fol low these
in struc tions:
1. Review the preceding trou ble shoot ing sug ges tions.
Please.
2. Call Tech Support at 1-800-898-3211, 7 am to 5 pm
PST, to explain the prob lem in detail. They will ask
you all sorts of impertinent questions in the hope of
sorting out the problem. If it appears that the S218s
needs repair, you will be given a Service Request
Number. Have your subwoofer’s serial number
ready. You must have a Service Request Num ber be-
fore you can obtain service at a factory-au tho rized
service center.
3. Keep this user’s manual. We don’t need it to repair
the subwoof er.
4. Pack the subwoofer in its original pack ag ing,
including protective wrap, endcaps, and box. This
is VERY IMPORTANT. When you call for the Service
Request Number, please let Tech Support know if
you need new pack ag ing. Mackie is not re spon si ble
for any damage that occurs due to non-factory
pack ag ing.
5. Include a legible note stating your name, shipping
address (no P.O. boxes), daytime phone number,
Service Request Number, and a detailed de scrip tion
of the prob lem, in clud ing how we can duplicate it.
6. Write the Service Request Number in
BIG
PRINT
on top of the box. Product shipped with-
out the Service Request Number will be refused.
7. Tech Support will tell you where to ship the sub-
woofer for repair. We suggest insurance for all forms
of cart age.
8. We’ll try to fi x the subwoofer with in fi ve business
days. Once it is repaired, we’ll ship it back the same
way in which it was received. This para graph does
not nec es sar i ly apply to non-war ran ty service.
Note: You must have a sales receipt from an Autho-
rized Mackie Dealer to qualify for a warranty repair.
SERVICE INFORMATION
Warranty Service
Details concerning warranty service are spelled out
on page 11 of this manual.
If you think your subwoofer has a prob lem, please do
everything you can to con fi rm it before calling for service,
in clud ing reading through the following Trou ble shoot ing
sec tion. Doing so might save you from being de prived of
your Mack ie subwoofer.
Of all Mackie prod ucts returned for ser vice (which is
hardly any at all), many are coded “CND” — Could Not
Duplicate— which usually means the problem lay some-
where else in the sys tem. The following trou ble shoot ing
tips may sound obvious, but here are some things you
can check:
Troubleshooting
No sound
• Are the level controls on the mixer or amplifi er
turned all the way down? Follow the procedures in
the “Quick-Start” section on page 4 to verify that
all the vol ume controls in the system are properly
ad just ed.
• Is the signal source working (and making union
scale)? Make sure the con nect ing cables are in good
repair and se cure ly connected at both ends.
• Make sure the mixer does not have a Mute on or a
Processor loop en gaged. If you fi nd something like
this, make sure the volume/gain is turned down
before disengaging the offending switch.
Poor bass performance
• Check the polarity of the connections between the
mixer and all the loud speak ers and subwoofers.
You may have your positive and negative connec-
tions re versed at one end of one cable, causing one
loud speak er to be out-of-phase.
Poor sound
• Is it loud and distorted? Make sure that you’re not
overdriving a stage in the signal chain. Verify that
all level controls are set properly.
• Is the input connector plugged com plete ly into the
jack? Make sure all con nec tions are secure. It’s a
good idea to periodically clean all electrical con-
nec tions with a non-lu bri cat ing electrical contact
cleaner.