Audio Zone Amplifier
Installation Guide
Troubleshooting & Maintenance
7.
The following table describes some of the symptoms, probable causes and possible
solutions in respect to the installation of the 500216 Audio Zone Amplifier.
Problems
Causes
Solutions
No Audio Output
No signal at the input or
output end
Check with an oscilloscope
or multi-meter to check if
there is any signal at the
input or output end.
Failed or loose connection
Make sure the connection is
good.
The product is broken
Send it to authorized dealer
for repairing.
POWER
indicator doesn’t
light or there is no
response to any operation
Failed connection of power
cord.
Make sure the power cord
connection is good.
Interference in the output
sound
Bad grounding
Check the grounding and
make sure it is well
connected.
Static becomes stronger
when connecting the
video connectors
Bad grounding
Check the grounding and
make sure it is well
connected.
Cannot control the device
through RS232 port
Wrong RS232
communication
parameters
Type in correct RS232
communication parameters
Broken RS232 port
Send it to authorized dealer
for checking.
Cannot control the device
by RS232, IR remote, or
front panel pushbuttons
The device has already
been broken.
Send it to authorized dealer
for repair.
If you still cannot diagnose the problem, please call MuxLab Customer Technical
Support at 877-689-5228 (toll-free in North America) or (+1) 514-905-0588
(International).
© MuxLab Inc. 2015
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