Test and Replace the Multi-Direction Light Sensor
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8 Test and Replace the Multi-Direction Light Sensor
Troubleshoot Multi-Direction Light Sensor (MDLS) Issues
The table below lists the crucial items to check if there are issues with the MDLS.
Item
Image
If there is a splice cable attached, inspect the connection.
Inspect the MDLS windows for cleanliness.
Check the connections at the back of the display to make sure
they are secure.
Inspect the cable from the back of the display to the MDLS for
damage. If needed, order a replacement cable.
Inspect the cable going into the bottom of the MDLS to see if it
was pulled loose.
Test the MDLS
To test a MDLS, cover it with a piece of heavy cloth. The display should dim within a
couple of minutes. Remove the fabric and verify the display returns to the brighter
setting. If possible, work with the help desk and have them monitor the display IDM
dimming levels.
Replace the MDLS
Required Tools: Pliers, side cutters
1�
Disconnect the MDLS from the quick connect on the back of the display.
Note:
There may be a splice in the cable between the MDLS and the display back.
If so, disconnect the MDLS cable at the splice point, not at the back of the
display.
2�
Remove the cable that runs from the quick connect to the MDLS.
3�
Remove the two attachment bolts that secure the MDLS assembly to the mounting
arm.
4�
Reverse Steps 1 - 3 to reinstall a MDLS.
5�
Using cable ties, secure the MDLS cable to along the back of the display.
6�
Work with the help desk to test the photocell and ensure it is functioning properly.
Windows (x3)
MDLS Cable
