Bedienungsanleitung Liftmaster 1270LMC (Seite 25 von 36) (Englisch)

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Adjustment Step 2

Adjust the Force

Too much force on the door will interfere with

the proper operation of the safety reverse

system.

The door might not reverse properly

when required and could seriously injure or

kill someone under it.

Do not increase the

force beyond the minimum amount required to

close the door. Do not use the force

adjustments to compensate for a binding or

sticking garage door. Test the safety reverse

system following all adjustments to force

levels. See page 26.

Force adjustment controls are located on the right

side panel of the opener. Force adjustment settings

regulate the amount of power required to open and

close the door.

The door will

stop

in the

direction if anything

interferes with its travel. The door will

reverse

in the

down

direction if anything interferes with its travel

(including binding or unbalanced doors).

If the forces are set too light, door travel may be

interrupted by

nuisance reversals

in the

down

direction and

stops

in the

direction. Weather

conditions can affect the door movement, so

occasional adjustment may be needed.

The 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.

Force

Adjustment

Controls

Right Side Panel

of Opener

M.D.C. CERT. NO.

132C2105-1

WARNING: To reduce the risk of severe injury

or death by entrapment, when adjusting either

the force or limits of travel controls ensure that

the door reverses on a 1 inch object (or a 2 x 4

board laid flat). See instructions for proper

adjustment procedure.



This device complies

with FCC Rules Part

15. Operation of this

device is subject to the

following conditions:

1. This device may 

not cause harmful

interference. 2. This

device must accept

any interference 

that may be received,

including interference

that may cause

undesired operation.



PART NO: Nº DE PIÈCE:

D.O.C. CERT. NO.



DATE:

Sears Roebuck & Co.

Sears Canada Inc., Toronto

Assembled in Mexico - Assemblé du Mexique

PAT. #RE29,525; 4,750,201; 4,806,930 Other Patents Pending.

AVERTISSEMENT: Pour réduire les risques de

blessures mortelles par happement, après tout

réglage de la force de déclenchement ou des

seuils de fin de course s'assurer que le sens de

la course s'inverse lorsque la porte entre en

contact avec un object de 13 mm (1 po) de

hauteur (ou un madrier de 2 x 4 de section, à

plat) posé sur le sol. Effectuer les reglages 

selon les procédures décrites dans la notice.



TO PROGRAM RECEIVER CODE 

FOR EACH REMOTE CONTROL

1. Press and HOLD remote control

transmitter push button.

2. Press receiver code button. The opener

light will flash once.

3. Release transmnitter button. Opener

has learned code.

TO ERASE ALL RECEIVER CODES

1. Press and HOLD receiver code button.

Green indicator light alongside will turn

ON.

2. When light turns OFF (about 6

seconds) ALL codes are erased from

opener memory.

How and When to Adjust the Forces

Test the DOWN (close) force

Grasp the door bottom when the door is about

halfway through DOWN (close) travel. The door

should reverse. (Reversal halfway through down

travel does not guarantee reversal on a one-inch

obstruction. See page 26.) If the door is hard to

hold or doesn't reverse, decrease the DOWN (close)

force by turning the control counterclockwise.

Make 10 degree turn adjustments until the door

reverses normally. After each adjustment, run the

opener through a complete cycle.

Test the UP (open) force

Grasp the door bottom when the door is about

halfway through UP (open) travel. The door should

stop. If the door is hard to hold or doesn't stop,

decrease UP (open) force by turning the control

counterclockwise. Make 10 degree turn adjustments

until the door stops easily. After each adjustment,

run the opener through a complete travel cycle.

If the door doesn't open

at least

5 feet

Increase UP (Open) force by turning the control

clockwise. Make 10 degree turn adjustments until

door opens completely. Re-adjust the UP limit if

necessary. After each adjustment, run the opener

through a complete travel cycle.

If the door

reverses

during the down (close) cycle

and the opener lights aren't flashing

Increase DOWN (close) force by turning the control

clockwise. Make 10 degree turn adjustments until the

door completes a 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.

Adjustment Label

WARNING

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Liftmaster 1270LMC Seite 25

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