Operation; Using Your Garage Door Opener - Craftsman 139.53920DM Owner's Manual

OPERATION
IMPORTANTSAFETYINSTRUCTIONS
To reducethe risk of SEVERE INJURYor DEATH:
1. READAND FOLLOWALL WARNINGSAND 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. ONLYactivate garage door when it can be seen clearly, it
is properly adjusted, and there are no obstructions to door
travel.
4. ALWAYS keepgarage door in sight until completely closed.
NOONESHOULDCROSS THE PATHOFTHE MOVINGDOOR.
5. NOONESHOULDGO UNDERA STOPPED,PARTIALLY
OPENED DOOR.
6. If possible, use emergency releasehandle to disengagetrolley
ONLYwhen garage door is CLOSED.Weak or broken springs
or unbalanced door could result in an open door falling rapidly
and/or unexpectedly,causing SEVEREINJURYor DEATH.
7. NEVERuse emergency releasehandle unless garage doorway
is clear of persons and obstructions.
8. NEVERuse handle to pull garage door open or closed. If rope
knot becomes untied, you could fall.
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" high (3.8 cm)
object (or a 2x4 laid flat) on the floor. Failureto adjust the
garage door opener properly may cause SEVEREINJURY or
DEATH.
12. ALWAYSKEEPGARAGEDOORPROPERLYBALANCED
(see page 3). An improperly balanced door may NOT reverse
when required and could result in SEVEREINJURY 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. ALWAYSdisconnect electric power to garage door opener
BEFORE making ANY repairs or removing covers.
15SAVETHESEINSTRUCTIONS.
Using Your Garage Door Opener
Your Security-I - ® 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.I.® remote controls and one
Security-I - ® KeylessEntry 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:
• Thehand-held Remote Control: Hold the large push button
down until the door starts to move.
• The wall-mounted Door Controh Hold the push button or bar
down until the door starts to move.
• The KeylessEntry (SeeAccessories): If provided with your
garage door opener, it must be programmed before use. See
Programming.
Whenthe opener is activated (with the safety reversingsensor
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.
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 Outdoor Key Switch, or Keyless Entry,
if you activate them until down travel is complete. If you release
them too soon, the door will reverse.
The opener lights 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.
They will turn off automatically after 4-1/2 minutes. Bulb size is
A19. Bulb power is 75 watts maximum.
3O