auna Amp4 BT SE, Manual, Page: 16 / 20

16
EN
MAINTENANCE
Replacing a fuse
This amplifier requires a fuse with the proper rating for protection from
power surges and short circuits. If the amplifier suddenly turns off or will
not turn on. the fuse is properly blown.
• Let the amplifier cool down and see
if it start again before you assume a
fuse needs to be replaced.
• Unplug the amplifier from the AC
outlet.
• Turn the fuse holder cap and pull out
the cap.
• Remove the old fuse and replace it
with an identical one.
CAUTION : Never use a fuse with a higher rating.
TROUBLESHOOTING
Problem Possible Reason Solution
No power
The fuse might be blown Check the amplifier's fuse
and replace it if necessary.
No sound
Sound source or speakers
may not be connected
properly. Check all connections.
Master volume control
may be set to a minimum. Adjust the volume control
to a higher setting.
The speaker's wire might
be the wrong impedance.
Make sure that the
speakers that you have
connected to the amp are
matching in impedance.
The amplifier is shutting
down or powering off Turn the amplifier off and
let it cool, make sure that
the amplifier is properly
ventilated, and then turn
it back on..
Feedback
Microphone and speakers
are
to close together Reposition the
microphone and speakers