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5elX@_{_ of Limt 5w t@_®s
A Setting Close Limit Switch (Figure 34):
• Check that Magnetic Carriage Assembly is disengaged.
• With garage door fully closed, slide Close Limit Switch
until it is aligned with Carriage Assembly Magnet.
• Tighten Set Screw. Do Not over-tighten.
B Setting Open Limit Switch:
• Manually open garage door to full open position.
• Slide Open Limit Switch until it is aligned with Carriage
Assembly Magnet.
• Tighten Set Screw. Do not over-tighten.
. Re-engage Magnetic Carriage Assembly.
WARNING
• The garage door opens rapidly, and can cause serious
injury or death.
• Keep the path clear.
• Position the ladder to the side of the Power Head so it is
clear of all moving parts of the Opener and the door.
• Set the door Opener to use the minimum force needed
to open the door.
A Pre-set Force Controls to midpoint between fully counter
clockwise and fully clockwise (Figure 35).
B Adjust the Close Limit Switch:
* Press Wall Console to close garage door.
- If door does not close completely, measure distance
from bottom of door to floor. Move Limit Switch
same amount toward door and try again.
- If door reverses after contacting floor, move Limit
Switch toward Power Head and try again.
- If door reverses before contacting floor, increase
Close force and try again.
- If door fails to move, check Safe-T-Beam ® System. See
Safe-T-Beam ®Troubleshooting Guide on pg. 26, and
Opener System Self-diagnostic Troubleshooting
on pg. 27.
. Tighten Limit Switch Set Screw. Do not over-tighten
{strip) Limit Switch Set Screw.
C Adjust Open Limit Switch:
. Press Wall Console to open garage door.
- If door does not open completely, move Limit Switch
toward Power Head.
- If door opens completely, but motor continues to
run, move Limit Switch toward door.
. Tighten Limit Switch Set Screw. Do not over-tighten
{strip) Limit Switch Set Screw.
NOTE
o
Little effort isrequired to turn the Force
Adjusting Knobs.
• If the door stops moving while opening or
closing, adjust the Open Force or Close Force
Controls slightly clockwise (to slightly
increase the force) and retry the step.
• The Open Force and Close Force Controls are to
be set to the minimum force necessary to
ensure the door smoothly opens fully and
closes completely.
• The garage door will move slowly the first
time it runs, until the Opener"learns"the
type of door.
• Ensure the Magnetic Carriage Assembly is
engaged and is between the two Limit
Switches before operating the Opener.
Close Limit Switch
(door fully closed)
Carriage _'_ Switch
(disengaged) I% _ Magnet
Open Limit Switch Switch
(door fully open)/
Carriage
(disengaged) IC \\ "\ ....J
_ " Magnet
Figure 34 Setting Limit Switches
Force Controls
HI LO
OPEN CLOSE X.._
FORCE FORCE
Figure 35 Making Force Adjustments