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Invisible Light Beam
Protection Area
S
enso
r
Senso
r
Safety Reversing Sensor
Bell Wire
Bell Wire
Motor unit
Safety Reversing Sensor
Power Door Lock
Quick-Connect Terminals
WHT/BLK
WHT
WHT/RED
WHT
Sensor
Connections
To Power
Door Lock
To CableTension Monitor
To Control Console
Connect Wire to
Quick-Connect
Terminals
Carriage Bolt
1/4"-20x1/2"
Lens
Wing Nut
1/4"-20
Figure 5
Figure 6
MOUNTING AND WIRING THE SAFETY
REVERSING SENSORS
• Slide a 1/4"-20x1/2" carriage bolt head into the slot on
each sensor. Use wing nuts to fasten safety reversing
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 safety reversing 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: 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 the safety
reversing sensor until it receives the sender’s beam.
When the green indicator light glows steadily, tighten
the wing nut.
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 safety reversing 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 closing, the door will
reverse. If the door is already open, it will not close.
The remote lights will blink 10 times. (If bulbs are not
installed, 10 clicks can be heard.) See page 11.