Niles SI-250 Installation Manual page 19

TROUBLEShOOTING GUIdE
Symptom
Hum from the speakers
Amp will not turn on
Bass sound is weak
and the stereo image
is "phasey" or "blurry"
sounding in one room
NILES AUDIO CORPORATION – 1-800-BUY-HIFI – 1-760-710-0992
9901253-Rev-A-SI-2150Manual.indd 19
2 ChAnnEL, BRIdgABLE PowER AMPLIFIERS
Possible Causes and Test Procedure
Check for faulty cables, faulty source material, an
ungrounded phono system or a defective component.
AC power cord must be plugged into a working outlet.
Master power switch must be on.
The loudspeakers are wired out of phase. Reverse the
connections at the back of one speaker.
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6/8/12 9:43 AM