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MOUNTING AND WIRING THE SAFETY SENSORS
• Slide a 1/4"-20xl/2" carriage bolt head into the slot on
each sensor. Use wing nutsto fasten sensors to
brackets, wRhlenses pointingtoward each other
across the door. Be sure the lens is not obstructed by
a bracket extension. See Figure 5.
• Finger tightenthe wing nuts.
• Run the wires from bothsensors to the opener. Use
insulated staples to secure wire to wall and ceiling.
• Strip 1/4" of insulationfrom each set of wires.
Separate white and white/black wires sufficientlyto
connect to the opener terminal screws: white to 2 and
white/black to 3.
ALIGNING THE SAFETY SENSORS
• Plug in the opener. The indicator lights in both the
sending and receiving eyes will glowsteadilyit wiring
connections and alignment are correct.
The sending eye orange indicator light will glow
regardless of alignment or obstruction. If the green
indicator light in the receiving eye is off, dim, or
flickering (and the invisible light beam path is not
obstructed), alignment is required.
• Loosen the sendingeye wing nut and readjust, aiming
directly at the receiving eye. Lock in place.
• Loosen the receiving eye wing nut and adjust sensor
until Ltreceives the sender's beam. When the green
indicator light glows steadily, tighten the wing nut.
Figure 5
Wingnut
1/4" 20x1/2"
Cardage bo]_
Trouble Shooting the Safety Sensors
1. If the sendingeyeindicator light does not g/ow
steadiiyafter installation,check for:
• Electric power to the opener.
• A short in the white or white/black wires. These can
occur at staples, or at screw terminal connections.
• Incorrectwiring between sensors and opener.
• A broken wire.
2. If the sendingeye indicatorlightg/owe steadi/ybut the
receiving eye indicator lightdoesn't:
• Check alignment.
• Check for a broken wire to the receiving eye.
3. Ifthe receiving eye indicatorlightisdim, realign either
sensor.
NOTE: Whenthe invisib/ebeam path is obstructedor
misa/igned whi/e the door is c/osing,the door wi//
reverse, ff the dooris already open, # wi//not c/ose. The
opener fights wi// f/ash 10 times. (/fbulbs are not
installed, 10clicks can be heard.) See page 21.
Figure 6
i
Wiring the Safety Sensors
23