Installation guide

Crestron QM-WMC/WMC-VCC/WCC-2 Media & Computer Centers
QM-WMC/WMC-VCC/WCC-2 Troubleshooting (Continued)
TROUBLE POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
PWR LED does
not illuminate.
Device is not
receiving power.
Verify Cresnet is
properly attached.
Source LEDs do
not illuminate.
Sources are not
transmitting
signals.
Verify source
operation.
Device is
powered up and
reporting to
Cresnet but not
switching
signals.
Poor input
connections, QM
connections or not
programmed in
system.
Use QM Tools in
Crestron Toolbox to
bypass program and
perform direct
switching.
Incorrect peak
setting.
Adjust QM-RMCRX-BA
peak control until audio
is restored. For more
information, refer to the
latest revision of the
QM-RMCRX-BA
Operations Guide
(Doc. 6332).
Intermittent or no
audio output.
Poor cable
connection.
Verify all cable
connections.
Poor RGB or
video image
quality.
Incorrect peak
and/or boost
setting.
Adjust QM-RMCRX-BA
peak or boost controls
until image quality is
improved. For more
information, refer to the
latest revision of the
QM-RMCRX-BA
Operations Guide
(Doc. 6332).
Loss of
functionality due
to electrostatic
discharge.
Improper
grounding.
Check that all ground
connections have been
made properly.
Operations & Installation Guide – DOC. 6237C Wall Plate Media & Computer Centers • 37