6-14
A
LPHA
PID S
IGN
I
NSTALLATION
AND
M
AINTENANCE
M
ANUAL
(PN 1260600601 R
EV
.
B
)
Maintenance
R
EPLACE
THE
DISPLAY
BOARD
6
Replace the display board
Tools you will need
•
Socket wrench and 7/32 inch socket
1. Turn off power. For instructions, see “Turn off power” on page 6-3.
2. Locate the display board.
3. Remove the six screws and disconnect the cables.
Notice:
Carefully and slowly disconnect the cables. Connector pins can bend and break if forced.
4. Remove the display board from the sign.
Install the replacement fan
1. Insert the replacement display board. Insert and tighten the screws. Reconnect the cables.
Notice:
Carefully and slowly connect the cables. Connector pins can bend and break if forced.
2. Position the circuit breaker switch to the ON position.
Remove these screws.
Remove these screws.
Summary of Contents for Adaptive Alpha Premier
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