Daktronics 4200 Series Digital Billboard - Manual (Page 23)

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6.5 Replacing a Display Fan
Required Tools: Phillips screwdriver, side cutter, cable ties
To replace a fan:.
1. Locate and disconnect the 3-pin Mate-N-
Lok connector. It should be cable tied to
the wire rod with other cables.
2. Cut the cable ties from the wire rod until
the fan power cable is loose.
3. Use the Phillips head screwdriver to loosen
the two fan mounting screws. Refer to
Figure 15.
4. Remove the fan from the display.
5. Reverse Steps 1 - 4 to install the new fan.
6. Secure any excess cable to the wire rod
with cable ties.
Figure 15: Display Fan
Testing and Replacing Display Components