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Crestron QM-AMP3x80 Series QuickMedia™ 3-Channel Amplifiers
“Open” Window
4. Browse to the desired .upg file and click Open to begin the transfer.
Problem Solving
Troubleshooting
The following table provides corrective action for possible trouble situations. If
further assistance is required, please contact a Crestron customer service
representative.
QM-AMP3x80 Troubleshooting
TROUBLE POSSIBLE CAUSE(S) CORRECTIVE ACTION
POWER LED
does not
illuminate.
AMP3x80 is not
receiving power.
Verify that the amp is turned
on and connected to an AC
outlet. Check the fuse.
AMP3x80 Net ID is not
correct.
In Viewport, poll the network
to verify Net ID.
AMP3x80 Net ID is not
set to match the Net ID
specified in SIMPL
Windows.
Verify SIMPL Windows
program for setting Net ID.
NET LED does
not illuminate.
AMP3x80 is not
connected to the
network.
Verify network cabling is
secure and that the rear
panel switch is set to NET
CONTROL.
Hum on audio. Grounding problem. Connect chassis to ground.
Audio is supplied
regardless of
programming.
Rear panel switch is set
to BYPASS.
Set rear panel switch to NET
CONTROL.
Audio input cable(s)
loose or not connected.
Verify that input cables are
connected to the appropriate
input ports.
Audio is distorted
or not present at
speakers.
Room speaker wires
loose or not connected.
Verify that speaker wires are
connected to the appropriate
speaker ports.
Operations Guide – DOC. 6272 QuickMedia™ 3-Channel Amplifiers: QM-AMP3x80 Series • 25