Craftsman 139.3043 Garage Door Opener User Manual


 
Aligning the Safety Reversing Sensors (Continued)
IF THEAMBERLEDONTHESENDINGSENSORIS NOT
GLOWING:
1. Makesure there is power to the garagedoor opener.
2. Makesure the sensor wire is not shorted/broken.
3. Makesure the sensor has beenwired correctly: white wires to
white terminal and white/black wires to grey terminal.
IF THEGREENLEDONTHERECEIVINGSENSORIS NOT
GLOWING:
1. Make surethe sensor wire is not shorted/broken.
2. Make surethe sensors are aligned.
ADJUSTMENT
Introduction
Your garage door openeris designed with electronic controls to
makesetup and adjustments easy.The adjustments allow you to
program where the door will stop in the open (UP) and close
(DOWN)position. The electronic controls sensethe amount of
force required to open and close the door. Theforce is adjusted
automatically when you program the travel and cannot be
changed.
NOTE:If anything interferes with the door's upward travel it will
stop. If anything interferes with the door's downward travel, it will
reverse.
Without a properly installed safety reversal system, persons
(particularly small children) could be SERIOUSLYINJUREDor
KILLEDby a closing garage door.
Incorrect adjustment of garagedoor travel limits will interfere
with proper operation of safety reversalsystem.
NEVERuseforce adjustments to compensatefor a binding or
sticking garagedoor.
After ANYadjustments are made, the safety reversalsystem
must betested. Door MUST reverse on contact with 1-1/2"
(3.8 cm) high object (or 2x4 laid flat) on floor.
UP (Open)
To preventdamageto vehicles, be sure fully open door
provides adequateclearance.
DOWN(Close)
ONE-PIECEDOORSONLY
When setting the UPtravel for a one-piecedoor ensurethat the
door does not slant backwardswhen fully open (UP). If the door
is slanted backwardsthis will causeunnecessarybucking and/or
jerking when the door is opening or closing.
CORRECT
INCORRECT
PROGRAMMINGBUTTONS
The programming buttons are located on the left side panel of the
garagedoor opener and are used to program the travel.
@
PROGRAMMINGBUTTONS
up
[] __._ Button
0 @ _ Adui_oS_nlent
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