Install The Protector System - LiftMaster PREMIUM Série Manuel D'instructions

Install the Protector System

Introduction
Be sure power is NOT connected to the garage door opener BEFORE installing the safety
reversing sensor.
To prevent SERIOUS INJURY or DEATH from closing garage door:
Correctly connect and align the safety reversing sensor. This required safety device MUST NOT
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be disabled.
Install the safety reversing sensor so beam is NO HIGHER than 6" (15 cm) above garage floor.
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IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSORS
The safety reversing sensors must be connected and aligned correctly before the garage door
opener will move in the down direction.
The sending sensor (with an amber LED) transmits an invisible light beam to the receiving sensor (with
a green LED). If an obstruction breaks the light beam while the door is closing, the door will stop and
reverse to the full open position, and the garage door opener lights will flash 10 times.
NOTE: For energy efficiency the garage door opener will enter sleep mode when the door is fully
closed. The sleep mode shuts the garage door opener down until activated. The sleep mode is
sequenced with the garage door opener light bulb; as the light bulb turns off the sensor LEDs will turn
off and whenever the garage door opener lights turn on the sensor LEDs will light. The garage door
opener will not go into the sleep mode until the garage door opener has completed 5 cycles upon
power up.
When installing the safety reversing sensors check the following:
Sensors are installed inside the garage, one on either side of the door.
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Sensors are facing each other with the lenses aligned and the receiving sensor lens does not
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receive direct sunlight.
Sensors are no more than 6 inches (15 cm) above the floor and the light beam is
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unobstructed.
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Safety Reversing Sensor
6" (15 cm) max. above floor
Invisible Light Beam
Protection Area
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Safety Reversing Sensor
6" (15 cm) max. above floor