Operation; Using Your Garage Door Opener - Chamberlain LiftMaster 311 El Manual Del Propietario

OPERATION

IMPORTANT SAFETY INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
1. READ AND FOLLOW ALL WARNINGS AND
INSTRUCTIONS.
2. ALWAYS keep remote controls out of reach of children.
NEVER permit children to operate or play with garage
door control push buttons or remote controls.
3. ONLY activate garage door when it can be seen clearly,
it is properly adjusted, and there are no obstructions to
door travel.
4. ALWAYS keep garage door in sight until completely
closed. NO ONE SHOULD CROSS THE PATH OF THE
MOVING DOOR.
5. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY
OPEN DOOR.
6. If possible, use emergency release handle to disengage
trolley ONLY when garage door is CLOSED. Weak or
broken springs or unbalanced door could result in an
open door falling rapidly and/or unexpectedly.
7. NEVER use emergency release handle unless garage
doorway is clear of persons and obstructions.
8. NEVER use handle to pull garage door open or closed.
If rope knot becomes untied, you could fall.

Using Your Garage Door Opener

Your Security opener and hand-held remote
®
control have been factory-set to a matching code
which changes with each use, randomly accessing
over 100 billion new codes. Your opener will operate
with up to eight Security
Security Keyless Entry System. If you purchase a
®
new remote, or if you wish to deactivate any remote,
follow the instructions in the Programming section.
Activate your opener with any of the following:
• The hand-held Remote Control: Hold the push
button down until the door starts to move.
• The wall-mounted Door Control: Hold the push
button or bar down until the door starts to move.
• The Keyless Entry (See Accessories): If supplied
with your garage door opener, it must be
programmed before use. See Programming.
When the opener is activated (with the safety
reversing sensor correctly installed and aligned)
1. If open, the door will close. If closed, it will open.
2. If closing, the door will reverse.
3. If opening, the door will stop.
4. If the door has been stopped in a partially open
position, it will close.
WARNING
® remote controls and one
WARNING
9. If one control (force or travel limits) is adjusted, the
other control may also need adjustment.
10. After ANY adjustments are made, the safety reversal
system MUST be tested.
11. Safety reversal system MUST be tested every month.
Garage door MUST reverse on contact with 1-1/2"
(3.8 cm) high object (or a 2 x 4 laid flat) on the floor.
12. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED
(see page 3). An improperly balanced door may not
reverse when required and could result in SEVERE
INJURY or DEATH.
13. ALL repairs to cables, spring assemblies and other
hardware, all of which are under EXTREME tension,
MUST be made by a trained door systems technician.
14. ALWAYS disconnect electric power to garage door
opener BEFORE making ANY repairs or removing
covers.
SAVE THESE INSTRUCTIONS.
15.
5. If obstructed while closing, the door will reverse. If
the obstruction interrupts the sensor beam, the
opener lights will blink for five seconds.
6. If obstructed while opening, the door will stop.
7. If fully open, the door will not close when the beam
is broken. The sensor has no effect in the opening
cycle.
If the sensor is not installed, or is misaligned, the
door won't close from a hand-held remote. However,
you can close the door with the Door Control, the
Outside Keylock, or Keyless Entry, if you activate
them until down travel is complete. If you release
them too soon, the door will reverse.
The opener light will turn on under the following
conditions: when the opener is initially plugged in;
when power is restored after interruption; when the
opener is activated.
The light will also turn on when someone walks
through the open garage door.
They will turn off automatically after 4-1/2 minutes or
provide constant light when the Light feature on the
Motion Detecting Control Console is activated. Bulb
size is A19. Bulb power is 75 watts maximum.
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