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Reference
Troubleshooting
Customer service
For additional help in solving problems, contact Bose
®
Customer Service. See the list of
service centers and phone numbers enclosed in the shipping carton. Bose Corporation will
make every effort to correct problems within the terms of your warranty.
Warranty period
Free Space 51 speakers are covered by a limited five-year transferable warranty. Details of
coverage are on the warranty card that came with your speakers. Please fill out the informa-
tion section, detach, and mail it to Bose.
Cleaning your speakers
Use a cloth dampened in mild detergent and water to remove dust or dirt from the outside of
your Free Space 51 speakers. Or use a hose to rinse them thoroughly with fresh water. Do not
use enough pressure to force water into the drivers or the acoustic ports.
Problem What to do
No sound • Make sure the receiver is plugged in and turned on.
• Check to be sure the AC power (mains) outlet is working.
• Disconnect any headphones plugged into the headphone jack.
• Make sure the receiver is not set to MUTE.
• Refer to the owner’s guide that came with your receiver.
• Check connections to both the speakers and the receiver. Refer to “Making the
connections” on page 6. Correct any connection errors.
• If your Free Space
®
51 speakers are connected as a second set of speakers to
your receiver/amplifier, check that the connections have been made to the “B”
terminals, and that the “B” speakers are selected to play.
No sound from one speaker • Check that the balance control on your receiver/amplifier is centered.
• Check the cord connecting the receiver/amplifier to the silent speaker.
• Disconnect the working speaker from the receiver. Switch the cord of the silent
speaker from its original receiver terminals to the other set of terminals (that the
working speaker was originally attached to). If the speaker now works, the
problem is in your receiver. If the speaker does not work, continue below:
Remove the cord from the working speaker and connect it to the silent speaker
and either set of receiver terminals. If the speaker now works, the problem is in
the original speaker cord. If the speaker does not work, the problem is in the
speaker.
One speaker sounds distorted • Follow the same procedure for the problem of “No sound from one speaker,” as
outlined above.
Not enough bass or treble • Check the tonal balance setting on your receiver/amplifier.
• Adjust the bass and treble controls on the receiver.
• Check the connections to make sure they are correctly in phase
(+ to + and – to –). Refer to “Make the connections” on page 6.
AM268612_00 _V.pdf • January 10, 2003