6-8
A
LPHA
PID S
IGN
I
NSTALLATION
AND
M
AINTENANCE
M
ANUAL
(PN 1260600601 R
EV
.
B
)
Maintenance
R
EPLACE
THE
LIGHT
SENSOR
ASSEMBLY
6
Replace the light sensor assembly
Tools you will need
•
Phillips screwdriver
1. Turn off power. For instructions, see “Turn off power” on page 6-3.
2. Locate the device. For two-sided signs th,ere is a light sensor on each side of the sign.
3. Remove the two screws.
4. Open the display board rail to expose the back side of the components. Locate the light sensor.
5. Disconnect the ribbon cable from the light sensor.
Install the replacement light sensor
1. Place the light sensor into place. Re-insert and tighten the screws.
2. Reconnect the ribbon cable.
3. Position the circuit breaker switch to the ON position.
4. Close the sign.
Remove
Remove
Summary of Contents for Adaptive Alpha Premier
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