LiftMaster 8587WL Owners Manual - English French Spanish - Page 19

Install the Protector System

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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 be disabled. • Install the safety reversing sensor so beam is NO HIGHER than 6" (15 cm) above garage floor. IMPORTANT: The safety reversing sensors MUST be connected and aligned correctly before the garage door opener will move in the down direction. The Protector System® includes two safety reversing sensors which use a light beam to prevent the garage door from closing. The sending sensor (amber LED) transmits the beam to the receiving sensor (green LED) when both are powered and aligned. The receiving sensor (green LED) has a label on the sensor to identify it as the receiving sensor before it is powered on. If an obstruction breaks the light beam while the door is closing, the door will stop, and reverse to the full open position. When installing the safety reversing sensors, check: • Sensors are installed INSIDE the garage. • Sensor lenses are facing each other. IMPORTANT: Do not allow direct sunlight to the receiving sensor (green LED). • Sensor beam is NO HIGHER than 6" (15 cm) above the floor and the light beam is unobstructed. • The receiving sensor has a warning sticker on the back. Safety Reversing Sensor 6" (15 cm) max. above floor Invisible Light Beam Protection Area Safety Reversing Sensor 6" (15 cm) max. above floor 19

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19
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 be disabled.
•
Install the safety reversing sensor so beam is NO HIGHER than 6" (15 cm) above garage
floor.
IMPORTANT: The safety reversing sensors MUST be connected and aligned correctly before the
garage door opener will move in the down direction.
The Protector System® includes two safety reversing sensors which use a light beam to prevent the
garage door from closing. The sending sensor (amber LED) transmits the beam to the receiving
sensor (green LED) when both are powered and aligned. The receiving sensor (green LED) has a
label on the sensor to identify it as the receiving sensor before it is powered on. If an obstruction
breaks the light beam while the door is closing, the door will stop, and reverse to the full open
position.
When installing the safety reversing sensors, check:
•
Sensors are installed INSIDE the garage.
•
Sensor lenses are facing each other.
IMPORTANT
: Do not allow direct sunlight to the
receiving sensor (green LED).
•
Sensor beam is NO HIGHER than 6" (15 cm) above the floor and the light beam is
unobstructed.
•
The receiving sensor has a warning sticker on the back.
Invisible Light Beam
Protection Area
Safety Reversing Sensor
6" (15 cm) max. above floor
Safety Reversing Sensor
6" (15 cm) max. above floor