Safety Reversing System - Craftsman 139.53225SRT Owner's Manual

Safety Reversing System
Information you1] need before you begin the installation of the safety reversing sensor.
The safety reversing sensor must _ connected
and aligned correctly before the garage door
opener wlil move in the down direction. This is a
required _fety device and cannot be disabled,
Instalia#on pr_edures are the same for sedionat
Without a properly working safety reversing
sensor, persona (particularly children) could
be in]u_ or killed by a closing garage door.
Read and follow all instructions.
To protect small children, Install the safety
reversing sensor so that the beam wi[[ be no
higher than 4"4" above the garage fi_ro
Disconnect power to the garage door opener
before installing the safety reversing sensor.
Be sure po'#er to the opener is disconnected.
The sending eye transmits an invisible tight _am to
the receiving eye The units can be installed on
eider side of the garage door as long as the sun
never shines directly into the receiving eye lens,
Lc_k at the label on the eonneGor end of each use
to identiPy the sensors.
The brackets must be connected and fastened so
that the sending and receiving eyes face each other
as shown in Figure I.
If an obstruct on breaks the light beam while the
garage door is c_osing_ the door wilt stop and
reverse to fuil open position and the opener lights
will flash for 5 seconds
The bracket_ must be securely fastened to a solid
sudar_ such as the studs on either side of the door,
or add a piece of wood at each location if installing in
The invisible Hght beam path must be unobstnJcted.
No pad of ttie garage door (or door tracks, spdngs,
hinges_ roIIers or other hardware} can interrupt the
beam whiie the d_3r is closing If it does, use a pie_
of wr_d te build out each sensor mounting iocation to
the minimum depth required for Ight beam c_earance
a_3ve f;c_
f_rot_::_n Area
Figure 1
: Facing the door from inside the garage
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