Adjustment Step 2
Adjust the Force
Too much force on the door will interfere with
the proper operation of the safety reverse
system.
The door might not reverse properly
when required and could seriously injure or
kill someone under it. Do not increase the
force beyond the minimum amount required to
close the door. Do not use the force
adjustments to compensate for a binding or
sticking garage door. Test the safety reverse
system following all adjustments to force
levels. See page 30.
Force adjustment controls are located on the right
panel of the opener. Force adjustment settings
regulate the amount of power required to open and
close the door.
The door will
stop in the up direction if anything
interferes with its travel. The door will
reverse in the
down direction if anything interferes with its travel
(including binding or unbalanced doors).
If the forces are set too light, door travel may be
interrupted by
nuisance reversals in the down
direction and
stops in the up direction. Weather
conditions can affect the door movement, so
occasional adjustment may be needed.
The maximum force adjustment range is 260
degrees, about 3/4 of a complete turn. Do not force
controls beyond that point. Turn force adjustment
controls with a screwdriver.
Force
Adjustment
Controls
Right Panel
of Opener
KG
KG
1
3
9
7
5
1
3
9
7
5
1
2
3
How and When to Adjust the Forces
Test the DOWN (close) force
Grasp the door bottom when the door is about
halfway through DOWN (close) travel. The door
should reverse.
Reversal halfway through down
travel does not guarantee reversal on a one-inch
obstruction. See page 30. If the door is hard to
hold or doesn't reverse, decrease the DOWN (close)
force by turning the control counterclockwise.
Make small adjustments until the door reverses
normally. After each adjustment, run the opener
through a complete cycle.
Test the UP (open) force
Grasp the door bottom when the door is about
halfway through UP (open) travel. The door should
stop. If the door is hard to hold or doesn't stop,
decrease UP (open) force by turning the control
counterclockwise.
Make small adjustments until the door stops easily
and opens fully. After each adjustment, run the
opener through a complete travel cycle.
If the door doesn't open
at least 5 feet
Increase UP (Open) force by turning the control
clockwise. Make small adjustments until door opens
completely. Re-adjust the UP limit if necessary. After
each adjustment, run the opener through a complete
travel cycle.
If the door
reverses during the down (close)
cycle and the opener lights aren't flashing
Increase DOWN (close) force by turning the control
clockwise. Make small adjustments until the door
completes a close cycle. After each adjustment, run
the opener through a complete travel cycle. Do not
increase the force beyond the minimum amount
required to close the door.
29
Force Adjustment Label
KG
KG
1
3
9
7
5
1
3
9
7
5
WARNING
