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MOUNTING AND WiRiNG THE SAFETY REVERSING
SENSORS
• Slide a 1/4"-20xl/2"
carriage bolt head into the slot on
each sensor. Use wing nuts to fasten sensors to
brackets, with lenses pointing toward each other
across the door. Be sure the lens is not obstructed by
a bracket extension (Figure 5).
• Finger tighten the wing nuts.
• Run the wires from both sensors to the opener. Use
insulated staples to secure wire to wall and ceiling.
• Strip 7/16" (11 mm) of insulation from each set of
wires. Separate white and white/black wires sufficiently
to connect to the opener quick-connect terminals.
Twist like colored wires together. Insert wires into
quick-connect
holes: white to white and white/black to
grey (Figure 6).
ALiGNiNG THE SAFETY REVERSING SENSORS
• Plug in the opener. The indicator lights in both the
sending and receiving eyes will glow steadily if wiring
connections and alignment are correct.
The sending eye amber 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 sending eye wing nut and readjust, aiming
directly at the receiving eye. Lock in place.
• Loosen the receiving eye wing nut and adjust sensor
until it receives the sender's beam. When the green
indicator light glows steadily, tighten the wing nut.
Figure 5
Carriage Bolt
1/4"-20xl/2"
Wing Nut
ens
TROUBLESHOOTING
THE SAFETY REVERSING
SENSORS
1. If the sending eye indicator light does not glow steadily
after installation, check for:
• Electric power to the opener.
• A short in the white or white/black wires. These can
occur at staples, or at opener connections.
• Incorrect wiring between sensors and opener.
• A broken wire.
2. If the sending eye indicator light glows steadily but the
receiving eye indicator light doesn't:
• Check alignment.
• Check for an open wire to the receiving eye.
3. If the receiving eye indicator light is dim, realign either
sensor.
NOTE: When the invisible beam path is obstructed or
misaligned while the door is dosing, the door will
reverse. If the door is already open, it will not close. The
opener lights will blink 10 times. See page 20.
Figure 6
Safeb
Finished
Bell Wire
Ceiling
Reversing Sensor
ht Beam
Protection Area
Safety Reversing Sensor
1. Strip wire 7/16"
(11 mm)
i
i 2. Twist like colored
wires together
3. To release or insert
wire, push in tab with
screwdriver tip
Red
White
Grey
Quick-Connect Terminals
22
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