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3
ALIGNING THE SAFETY REVERSING SENSORS
1/4-20x1-1/2"
Hex Bolt
"C" Wrap
Wire
Safety Reversing Sensor
Wing Nut
Invisible Light Beam
Protection Area
Safety Reversing Sensor
Safety Reversing Sensor
Connect Wire to
Opener Terminals
Bell Wire
Bell Wire
Indicator Light
OPENER TERMINAL SCREWS
Sensor
Connections
Wall Control
Connections
(dotted line)
1
2 3
Figure 6
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 closing, the door will reverse. If the door is
already open, it will not close. The opener lights will blink 10
times.
• Center each sensor unit in a “C” wrap with lenses pointing
toward each other across the door.
• Secure Safety Reversing Sensors with the hardware shown In
Figure 6. Finger tighten the wing nut on the receiving eye to
allow for fi nal adjustment. Securely tighten the sending eye
wing nut.
• Run wires from both Safety Reversing Sensors to the opener
as shown. Use insulated staples to secure the wire to the wall
and ceiling.
• Connect both sets of wires to the opener terminals as shown
(depending upon your model).
• Plug in the opener. If your opener has the Multi-Function Door
Control, make sure the Lock Feature is off. Indicator lights in
both the sending and receiving eyes will glow steadily if
connections and alignment are correct. If the indicator light is
off the receiving eye (and the invisible light beam path is not
obstructed), alignment is required.
• Loosen the receiving eye wing nut to allow slight rotation of
unit. Adjust Safety Reversing Sensor vertically and horizontally
until the indicator light glows with a steady light.
• When indicator lights are glowing steadily in both units,
tighten the wing nut in the receiving eye unit.
1/4-20x1-1/2"
Hex Bolt
Wing Nut
HARDWARE SHOWN ACTUAL SIZE
-Finished Ceiling-
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