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When there is a problem, consult this guide first . If the problem persists, or you
have additional questions, call your local Nice dealer or Nice Technical Support at
1-800-421-1587 . The most common problems relate to hook up . Call from your
telephone extension nearest the system .
Symptom
No sound on one channel
No sound on all channels
Hum from the speakers
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
Troubleshooting Guide
Possible Causes and Test Procedure
•
Check front panel signal indicators. If not illuminated,
check that the level control on the rear panel is not all
the way down.
•
Check the cable back to the source and the source
output.
•
Check the Speaker wire on both sides of the channel.
•
Check power.
•
Check AC cord is in completely.
•
Check front panel signal present LED's.
•
Check level controls of rear panel.
•
Check power on status, power source (wall, outlet
strip etc.)
•
Check front panel LED for fault (Red).
•
Check all speaker connections at amp and speakers,
look for shorts if fault indicator is on.
•
Power cycle the amp.
•
Hum may be caused by a ground loop between two
of the other components in the system. To test for
another ground loop, try reversing the AC plugs of
each of the components in the system.
•
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.
•
Be sure the IEC power cord is fully seated into the
amp's chassis.
•
Check external changeable fuse located on the rear
•
The loudspeakers are wired out of phase. Reverse the
connections at the back of one speaker.
20
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Table of Contents
Troubleshooting
