Crestron
QM-FTDC
FlipTop Data Center
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-FTDC Troubleshooting
TROUBLE
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Net ID is not correct.
Verify the Net ID in Toolbox.
Net ID is not set to match
the Net ID specified in
SIMPL Windows.
Verify SIMPL Windows program
for setting Net ID.
QM-FTDC is
not
functioning.
Net ID is the same as
another device’s Net ID.
Assign a different Net ID.
PWR
LED
does not
illuminate.
Not receiving power.
Verify that Cresnet is properly
attached.
Verify RGB, video, S-video output
cable connection.
No video
output
displayed.
Incorrect cable
connection.
Verify QM input cable connection
is secure.
Wrong SystemBuilder or
SIMPL Windows
programs.
Verify and upload correct
programs.
Wrong source
or video
displayed.
SystemBuilder project not
set up correctly.
Verify proper video set up for each
video input.
Incorrect cable
connections.
Verify 15-pin output cable
connection. Verify QM input cable
connections.
Video from
RGB source is
garbled or no
output.
Signal skew due to cable
length or unequal pair
length.
Verify maximum QM cable length
and compensation for skew.
Poor RGB or
video image
quality.
Incorrect peak and/or
boost setting.
Adjust SystemBuilder peak or
boost controls until image quality is
improved.
Hum on audio
and/or mic.
Grounding problem.
Refer to ground wire connection
instructions which start on page 24.
Intermittent or
no audio/mic
output.
Incorrect peak setting.
Adjust SystemBuilder peak control
until audio is restored.
(Continued on following page)
Operations & Installation Guide – DOC. 6312B
FlipTop Data Center: QM-FTDC
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