Daktronics 4200 Series Digital Billboard - Manual (Page 33)

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Section 9: Webcam Access and Troubleshooting
The information is this section describes how to retract the webcam to the display face for service and
provides some basic troubleshooting steps. Work with the help desk to verify the camera is aligned and
in focus after servicing or cleaning the webcam.
9.1 Retracting the Webcam to the Display Face
1. Remove the three short bolts from the elbow assembly. Refer
to Figure 25.
Note: Do not remove the long bolts in the collar.
2. Use the handle to carefully pivot the webcam arm to the
front of the catwalk.
Note: Verify that any webcam cables are not getting pinched
or pulled when pivoting the webcam arm.
3. Return the webcam arm to the original position when
servicing the webcam.
4. Replace and tighten the three short bolts.
5. Work with Daktronics help desk to verify the webcam is
focused and functioning properly.
9.2 Webcam Troubleshooting
This section provides some basic power troubleshooting steps to perform if the webcam is not
functioning properly. Refer to Figure 26 while reading the table below.
Issue Troubleshooting Steps
Red LED indicator
on the webcam
on. 1. The red LED should only be on during the
camera start sequence. Disconnect and
reconnect the Ethernet cable to the back of
the camera.
Both LED
indicators on the
webcam are off. 1. Verify the POE injector located in the ISP
box is connected and the LED indicators
are on. If connected but LED indicators are
off, work with the help desk to troubleshoot
the issue.
2. If the LED indicators on the POE are on,
check the Ethernet connections from the
POE injector to the back of the display and
from the back of the display to the webcam.
It is possible the Ethernet cable is damaged
or disconnected.
3. The POE surge may be damaged. Use a
RJ45 coupler to bypass.
The help desk
can not see a
webcam image
and the webcam
and POE injector
are functioning
properly. 1. Verify the Ethernet cable from the network
switch to the POE injector is connected.
2. Check the status indicator LEDs on
the network switch to determine if it is
functioning properly and sending data.
3. The POE surge may be damaged. Use a
RJ45 coupler to bypass.
Figure 25: Webcam Arm Bolts
Figure 26: Webcam LED Status
Indicators
Webcam Access and Troubleshooting