Genie 2040L Garage Door Opener User Manual


 
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or H
elp
,
c
all 1-800-35-GENIE or visit www
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11
Figure 3B Adjusting the close limit
E Adjust the close limit (Figure 3B).
Turn the Close Limit Adjustment Screw 1/4 turn at a time
toward the up or down to change where the bullet stops.
Use the remote to cycle the opener after
each adjustment.
Adjust until the bullet’s leading edge stops at the
pencil mark.
ADJUSTING THE OPEN AND CLOSE
LIMIT
S
CONTINUED
Step 4:
NOTE
Each 1/4 turn of the adjustment scr
ew equals about 5/8"
of carriage travel.
NOTE
During the next adjustment, if the door stops during
opening or reverses during closing before reaching the
limits,the door force must be adjusted.Change the door
force setting as described in the next section then return
here to finish setting these limits.
WARNING
The door will move during the next adjustment. Stay
clear of the door and moving parts
Figure 2 Checking the open limit on one-piece
C Activate the opener using the remote.
Move the door in the open direction and wait for the
door to stop moving (
Figure 2).
Check where the door stopped.
Adjust the open limit screw, and repeat cycling the
d
oor and making adjustments until it opens to the
p
oint where the door is just below level.
D Activate the opener using the remote.
Move the door in the close direction and wait for the
door to stop.
Check where the door stopped.
Adjust the close limit screw and repeat cycling the
door and making adjustments until it fully closes.
F
igur
e 1
C
heck
ing the op
en limit on sectional
NOTE
Setting the limit too high on a one-piece door will
cause the opener to “buck”when starting down.
NOTE
If the door is reversing after contacting the floor, the
limit is set too far toward the door and needs to be set
back.
A Engage the carriage.
F
lip the carr
iage r
elease lever up and lift the door manually
un
til the carriage engages with the bullet.
THE FOLLOWING PARAGRAPH IS FOR SECTIONAL DOORS ONLY.
B A
c
tivate the opener using the remote.
Move the door in the open direction and wait for the
door to stop moving (Figure 1).
Check where the door stopped.
Adjust the open limit screw, and repeat cycling the
door and making adjustments until it opens fully.
WARNING
Too much force will prevent safe operation of the garage
door.Someone could be seriously injured or killed if the
door force is set too high. A closing door may not reverse
properly and someone could be pinned under it. An
opening door might not stop when going up and
someone hanging on the door could be pinned between
the door and the header.Never increase the force above
the minimum required to move the door.Never adjust the
force to compensate for a sticking or binding door.
Perform this safety check once a month.
ADJUSTING AND TESTING THE FORCE
CONTROLS
Step 5:
WARNING
Always perform the force check after making any
adjustments to the opener.