Daktronics GPR-12EV-RGB - Manual (Page 26)

20 Maintenance
Work from top to bottom safely within reach from a lift or a stage. Take care not to
damage LEDs or the plastic louvers by catching the cloth on them.
6.5 Annual Inspection
Complete a yearly inspection to maintain safe and dependable display operation. Open the
display to visually inspect the cabinet interior and the components. Refer to Section 6.2for
directions to access the interior. The inspection should address the following issues:
Inspection item Possible corrective measures
Loose bolts, screws, rivets Tighten or replace, as required.
Dust around fans, on
cabinet bottom
Vacuum or carefully wipe away.
Water intrusion or stains
Replace weather stripping.
Tighten module latches.
Place silicon sealant around all locations where water might enter.
Replace damaged electronic components.
Paint corrosion by footings,
tie points, ground rods
Check the metal footings for structural integrity.
Replace and/or repaint as necessary.
Check ground wire connections at ground rod and ground lug.
Filters
At any inspection, check filters.
Clean or replace filters as necessary.