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Craftsman 139.53906D Manual Del Propietário página 28

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ADJUSTMENT
STEP
2
Settingthe Force
The force setting button is located on the left panel of the
motor unit. The force setting measuresthe amountof force
required to open and close the door.
1. Locate the purple button on the left panel of the motor unit
(Figure 1).
2. Push the purple button twice to enter the opener into Force
Adjustment Mode (Figure 2). The LED (Indicator Light) will
flash quickly.
3. Push the remote control or door control button (Figure 3). The
door will travel to the DOWN(close) position. Push the remote
control or door control again, the door will travel to the UP
(open) position. Push the remote control or door control a
third time to send the door to the DOWN(close) position.
The LED(Indicator Light) will stop flashing when the force has
been learned.
The opener has learned the forces required to open and close
your door.
The door must travel through a complete cycle, up and down, in
order for the force to be set properly. If the opener cannot open
and close your door fully, inspect your door to insure that it is
balanced properly and is not sticking or binding.
See page 3, "Preparingyour garage door."
Without a properly installed safety reversal system, persons
(particularly small children) could be SERIOUSLYINJUREDor
KILLEDby a closing garage door.
• Too much force on garage door will interfere with proper
operation of safety reversal system.
• NEVERuse force adjustments to compensate for a binding or
sticking garage door.
• After ANY adjustments are made, the safety reversal system
MUST be tested. Door MUST reverse on contact with
1-1/2" (3.8 cm) high object (or 2x4 laid flat) on floor.
Figure 1
Indicator Light
-- Black Button
- Purple Button
Figure 2
Push Purple button
twice to enter
unit into Force
Adjustment
Mode
ght
)le Button
Figure 3
or
28

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