Lift-Master PRO8000 Instrucciones página 22

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FORCE ADJUSTMENT
The force, as measured on the closing edge of the door, should
not exceed 150 N (15kg). If the closing force is adjusted to more
than 150 N, the Protector System must be installed.
Do not use force adjustments to compensate for a binding or
sticking garage door. Excessive force will interfere with proper
operation of safety reverse system or damage garage door.
Force Adjustment Controls (1 & 2) are located on the right side panel
of the opener.
If the force adjustments are set too light, door travel may be
interrupted by nuisance reversals in down direction and stops in up
direction. Weather conditions can affect the door movement,
occasional adjustment may be needed.
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.
Test Down (Close) Force: Grasp the door handle or door bottom
when door is about halfway through down (close) travel. Door should
reverse. Reversal halfway through down travel does not guarantee
reversal on a 25mm (one-inch) obstruction. If the door is hard to hold
or doesn't reverse, decrease down (close) force by turning the
control (2) in a counterclockwise direction. Make small adjustments
until door reverses normally. After each adjustment, run opener
through a complete cycle.
If Door Doesn't Open at Least 1,5m (5 feet): Increase up (open)
force by turning the control (1) in a clockwise direction. Make small
adjustments until door opens completely. Re-adjust up limit if
necessary. After each adjustment, run opener through a complete
travel cycle.
If Door Reverses During Down (Close) Cycle: Increase down
(close) force by turning the control (2) in a clockwise direction. Make
small adjustments until door completes 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.
TEST THE SAFETY REVERSE SYSTEM
The safety reverse system test is important. Garage door must
reverse on contact with a 25mm (1") obstacle laid flat on the
floor. Failure to properly adjust opener may result in serious
personal injury from a closing garage door. Repeat test once a
month and adjust as needed.
Procedure: Place a 25mm (1") obstacle (1) laid flat on the floor under
the garage door. Operate the door in the down direction. The door
must reverse on the obstruction. If the door stops on the obstruction,
it is not traveling far enough in the down direction. Increase the down
limit by turning down limit adjustment screw counterclockwise
1/4 turn. Repeat test.
When the door reverses on the 25mm (1") obstacle, remove the
obstruction and run the opener through a complete travel cycle. Door
must not reverse in closed position. If it does, adjust Limits and Force
and repeat safety reverse test.
INSTALL THE PROTECTOR SYSTEM
(See accessories)
The force, as measured on the closing edge of the door, should
not exceed 150 N (15kg). If the closing force is adjusted to more
than 150 N, the Protector System must be installed.
After opener has been installed and adjusted, The Protector
System™ accessory can be installed. Instructions are included with
this accessory.
The Protector System™ provides an additional measure of safety
against a small child being caught under a garage door. It uses an
invisible beam which, when broken by an obstruction, causes a closing
door to open and prevents an open door from closing. It is strongly
recommended for homeowners with young children.
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OPERATION OF YOUR OPENER
Your opener can be activated by any of the following devices:
• The Lighted Door Control Button. Hold the button down until door
starts to move.
• The Outside Keylock or Keyless Entry System (if you have
installed either of these accessories).
• The Remote Control Transmitter. Hold the push button down until
the door starts to move.
Opening the Door Manually:
Door should be fully closed if possible. Weak or broken springs
could allow an open door to fall rapidly. Property damage or
serious personal injury could result.
A. C-rail: The door can be opened manually by pulling the trolley
release handle down. To reconnect the trolley, rotate the lever. It
will reconnect on the next up or down operation.
B. T-rail: The door can be opened manually by pulling the trolley
release handle down and back (toward the opener). To reconnect
the trolley, pull the release handle straight down. It will reconnect
on the next up or down operation.
Do not use the manual release handle to pull the door open or
closed.
When the Opener is Activated by Remote Control or Lighted Door
Control Button:
1. If open, the door will close. If closed, the door will open.
2. If closing, the door will reverse.
3. If opening, the door will stop (allowing space for entry and exit of
pets and for fresh air).
4. If the door has been stopped in a partially open position, it will
close.
5. If an obstruction is encountered while closing, the door will reverse.
6. If an obstruction is encountered while opening, the door will stop.
7. The optional Protector System™ uses an invisible beam which,
when broken by an obstruction, causes a closing door to open and
prevents an open door from closing. It is STRONGLY
RECOMMENDED for homeowners with young children.
Allow a 15 minute cooling period after 5 continuous operations of the
opener.
The opener light will turn on: 1) when opener is initially plugged in;
2) when the power is interrupted; 3) when the opener is activated.
The light turns off automatically after 4-1/2 minutes. Bulb size is
40 Watts maximum.
CARE OF YOUR OPENER
When properly installed, opener will provide high performance with a
minimum of maintenance. The opener does not require additional
lubrication.
Limit and Force Adjustments: These adjustments must be checked
and properly set when opener is installed. Only a screwdriver is
required. Weather conditions may cause some minor changes in the
door operation, requiring some re-adjustments, particularly during the
first year of operation.
Refer to the limit and force adjustments on pages 4 & 5. Follow the
instructions carefully and repeat the safety reverse test after any
adjustment.
Remote Control Transmitter: The portable remote control may be
secured to a car sun visor with the clip provided. Additional remotes
can be purchased at any time for use in all vehicles using garage.
Refer to Accessories. The receiver must be programmed to operate
with any new remote.
Remote Control Battery: The battery should produce power for at
least one year. When the light becomes dim or does not come on,
replace the battery. If transmission range lessens, check the battery
test light.
To Change Battery: Slide battery door open. Replace battery. Do not
dispose of the old battery with household waste. Take batteries to a
proper disposal center.

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