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Replacing the light sensor
Step 1: Turn off the power at the main fuse/breaker box.
Step 2: Loosen, but do not remove, the lens screws and retaining clips.
Remove the glass lens.
Step 3: Remove the bulb from the socket.
Step 4: Remove the reflector screw and remove the reflector.
Step 5: Remove the locknut from the outside of the light sensor.
Step 6: Disconnect wires from the light sensor one at a time.
Connect the new light sensor by:
• Connecting black sensor wire to the black supply wire (hot).
• Connecting red sensor wire to the black ballast wire.
• Connecting white sensor wire to the white supply wire
(neutral), white socket wire, and white ballast wire.
Step 7: Replace the locknut on the outside of the light sensor.
Step 8: Replace the reflector and reflector screw, install the bulb, and
replace the lens.
Step 9: Turn power back on.
What to do if . . .
What to do if . . .
Replacing the light sensor
Is there power to the fixture?
• Has the house circuit breaker tripped?
• Is the wall switch ON?
Is the bulb screwed in completely?
• Is the bulb good?
(Be careful not to overtighten.)
Is the light sensor able to determine darkness?
• Cover light sensor with electrician’s tape. Wait
2-3 minutes to see if light turns on. If it does,
the sensor is receiving too much light. Install
light sensor reflector (E) to deflect light.
Is the wiring to the unit loose?
TURN OFF POWER BEFORE CHECKING.
Is the light sensor sensing reflected light?
• Cover light sensor with electrician’s tape. Wait
2-3 minutes. to see if light turns on. If it does,
fixture is receiving reflected light. Install light
sensor reflector (E) to deflect light.
Is the light sensor in a shaded area?
• Shine a flashlight into the light sensor for 2-3
minutes. If the light turns off, the fixture is
mounted in an area that does not allow enough
light to enter the light sensor. Install light sen-
sor reflector (E) to direct light into sensor.
Is the light sensor good?
• Shine a flashlight into the light sensor for 2-3
minutes. If the light does not turn off, replace
the light sensor.
LIGHT COMES ON
FOR ONLY A FEW
SECONDS
LIGHT DOES
NOT COME ON
LIGHT STAYS ON
OR
LIGHT COMES ON
RANDOMLY
SMV80 Series IS. 325-1436.qxd 2/16/04 4:38 PM Page 4