Maintenance and Troubleshooting
22
Display Maintenance
The following service intervals are recommendations. Contact Daktronics for
recommendations based upon 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 readings meet local and national codes.
Note:
Ground meters for this test are available for purchase from Daktronics.
Display Cabinet
At least once per year:
1�
Check for water stains and other signs of water intrusion in the display cabinet.
2�
Seal any leaks that have developed with a silicone sealant or another suitable sealer.
3�
Repair any door gaskets that have tears or missing pieces.
4�
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 air flow around the temperature sensors and light
sensors.
• Clean the windows if they are dirty.
Ventilation Fans
At least once per year:
• Verify all fans work by pushing the test button until the fans turn on.
• Check fan blades for dirt and debris. Spin the fan blades with a pen or pencil to
ensure the bearings are free and the fan is balanced.
Filters
Check and clean the filters at least once per year. If the filter has an excess of dirt and
dust, check the filters more frequently.
VFC-3000 Controller
At least once per year:
• Ensure all connectors are secure and the cables are not damaged in any way.
• Check the VFC-3000 controller operation.