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Maintenance and Troubleshooting
5.13 LIE Maintenance
To replace an LIE light:
1.
Turn off the circuit breaker that powers the light.
2.
Remove the lamp cover and lamp.
3.
Insert a new lamp into the assembly and replace the cover.
4.
Restore power and test the light.
5.14 Display Maintenance
The following service intervals are recommendations. Contact Daktronics for
recommendations based upon location-specific conditions.
Structure
At least once per year:
•
Inspect the mounting structure for corrosion, loose bolts, and overall stability.
•
Check the connections of the earth ground wires, if accessible.
Earth Ground Resistance
At least once per year ensure earth ground resistance meets local and national codes.
Note:
Ground meters for this test are available for purchase from Daktronics.
Display Cabinet
At least once per year:
•
Check for water stains and other signs of water intrusion in the display cabinet.
•
Seal any leaks that have developed with a silicone sealant or another suitable sealer.
•
Repair any door gaskets that have tears or missing pieces.
•
Check the drainage holes in the bottom of the cabinet for obstructions.
Temperature and Light Sensors
At least once per year:
•
Clear away any obstructions to airflow around the temperature and light sensors.
•
Clean the windows if they are dirty.
