Maintenance and Troubleshooting
15
Traffic Cabinet Fan and Thermostat Assembly Replacement
1.
Open the panelboard and turn off the circuit breaker supplying power to the fan and
thermostat assembly.
2.
Disconnect the fan’s power cord.
3.
Remove the hardware securing the finger guard and fan to the assembly bracket
and remove the fan.
4.
Attach the new fan to the bracket and secure it using the hardware removed in
Step 3
. Note the air flow orientation when attaching the new fan.
5.
Reconnect power to the fan.
Traffic Cabinet Light Replacement
1.
Turn off the circuit breaker that powers the light.
2.
Unclip the lamp assembly.
3.
Insert a new lamp into the assembly and replace the cover.
4.
Restore power and test the light.
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 readings meet local and national codes.
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.
• Remove any debris that has collected in the display cabinet.
Temperature and Light Sensors
At least once per year:
•
Clear away any obstructions to air flow around the temperature and light sensors.
•
Clean the windows if they are dirty.
