Craftsman 13953903DM garage door opener

User Manual - Page 20

For 13953903DM.

PDF File Manual, 80 pages, Download pdf file

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INSTALLATION STEP 10
Install The ProtectorSystem®
Thesafety reversingsensormust be connectedand aligned
correctlybefore the garage door opener will move in the down
direction.
IMPORTANTINFORMATIONABOUTTHESAFETYREVERSING
SENSOR
When properly connected and aligned, the sensor will detect
an obstacle in the path of its electronic beam.The sending eye
(with an amber indicator light) transmits an invisible light beam
to the receiving eye (with a green indicator light). If an
obstruction breaksthe light beam while the door is closing, the
door will stop and reverse to full open position, and the opener
lights will flash 10 times.
The units must be installed inside the garageso that the sending
and receivingeyes face each other across the door, no more than
6" (15 cm) above the floor. Either can be installed on the left or
right of the door as long as the sun never shines directly into the
receiving eye lens.
The mounting brackets are designed to clip onto the track of
sectional garagedoors without additional hardware.
Be sure power is not connected to the garagedoor opener
BEFOREinstalling the safety reversing sensor.
To prevent SERIOUSINJURY or DEATHfrom a closing garage
door:
Correctly connect and align the safety reversing sensor. This
required safety device MUST NOTbe disabled.
Install the safety reversing sensor so beam is NO HIGHER
than 6" (15 cm) above garage floor.
If it is necessaryto mount the units on the wall, the brackets
must be securely fastened to a solid surface such as the wall
framing. Extension brackets (see Accessories) are availableif
needed. If installing in masonry construction, add a piece of
wood at each location to avoid drilling extra holes in masonry if
repositioning is necessary.
The invisible light beam path must be unobstructed. No part of
the garagedoor (or door tracks, springs, hinges, rollers or other
hardware) may interrupt the beam while the door is closing.
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Safety Reversing Sensor
6" (15 cm) max. above floor
Facingthe doorfrom insidethe garage.
Invisible Light Beam
Protection Area
Safety Reversing Sensor
6" (15 cm) max. above floor
2O
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