Chamberlain 248754 garage door opener

User Manual - Page 31

For 248754.

PDF File Manual, 44 pages, Download pdf file

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OPERATION
IMPORTANT SAFETY INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
1. READANDFOLLOWALL WARNINGSAND INSTRUCTIONS.
2. ALWAYSkeep remote controls out of reachof children.
NEVERpermit children to operateor play with garage
control console push buttons or remote controls.
3. ONLYactivate garage door when it can be seenclearly, it is
properly adjusted, and there are no obstructions to door
travel.
4. ALWAYSkeepgarage door in sight until completely closed.
NOONESHOULDCROSSTHE PATHOFTHE MOVING
DOOR.
5. NOONESHOULDGOUNDERA STOPPED,PARTIALLY
OPENEDDOOR.
6. If possible, use emergencyreleasehandleto disengage
trolley ONLYwhen garage door is CLOSED.Weakor broken
springs or unbalanceddoor could result in an open door
falling rapidly and/or unexpectedly.
7. NEVERuseemergency releasehandle unless garage
doorway is clearof persons and obstructions.
8. NEVERusehandle to pull garagedoor open or closed. If
rope knot becomesuntied, you could fall.
9. If one control (force or travel limits) is adjusted,the other
control may also needadjustment.
10. After ANY adjustments are made,the safety reversal
system MUST betested.
11. Safety reversalsystem MUST betested every month.
Garagedoor MUSTreverse on contact with 1-1/2" high
(3.8 cm) object (or a 2x4 laid flat) on the floor.
12. ALWAYSKEEPGARAGEDOORPROPERLYBALANCED
(see page3). An improperly balanceddoor may not
reversewhen required and could result in SEVEREINJURY
or DEATH.
13. ALL repairsto cables,spring assembliesand other
hardware, ALL of which areunder EXTREMEtension,
MUSTbe madeby a trained door systems technician.
14. To avoid SERIOUSPERSONALINJURYor DEATHfrom
electrocution, disconnect ALL electric and battery power
BEFOREperforming ANY serviceor maintenance.
15SAVETHESEINSTRUCTIONS.
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÷ ® remote controls and one 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 large push
button down until the door starts to move.
The wall-mounted control console: Hold the push
button or bar down until the door starts to move.
The Keyless Entry (see Accessories): If provided 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.
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 control console, 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 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 or
provide constant light when the Light feature on the
Motion Detecting Door Control is activated. Bulb size is
A19. Bulb power is 100 watts maximum.
Security._® light feature: Lights will also turn on when
someone walks through the open garage door. With a
Motion Detecting Door Control, this feature may be
turned off as follows: With the opener lights off, press
and hold the light button for 10 seconds, until the light
goes on, then off again. To restore this feature, start with
the opener lights on, then press and hold the light button
for 10 seconds until the light goes off, then on again.
31
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