Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
My garage door will not close unless i hold the button and if i release the button it will travell to the open position. my remote control will not close the garage door.
Hello,
There should be 2 sensors on the bottom of your door on the inside, 1 on the right side and 1 on the left side.
These sensors serve 1 purpose to send a beam or reflection to each other.
If something is blocking this reflection or is in front of the sensor the door will always come back up.
It is a safety feature so nothing or no one gets hurt when the door is closing!
Posted on Sep 23, 2008
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Posted on Jan 02, 2017
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thanks for the suggestion mjrock, but i understand the garage door system and how it works. there is no obstruction in the safety sensors path and the lights on each sensor are working. i feel, however, that my problem has something to do with the safety sensors since the area i live in was hit by hurricane IKE and my garage received flooding which covered my safety sensors. do you think i should replace them or should i look elsewhere for the source of my problem? i have checked the up & down ajustment limits & they are working fine.
Same
garge door will open but will not close when very cold
chamberlain
same
hi there I have the problem with the garage closing, some time the green light on the receiver would stay on and some time the light would be off then the garage door would not close. I have to hold down the button from the inside then the door will close. It does it on and off. I have check both sensor for dust and obstruction. There is none, so what do you yhink the problem is? Ihave the liftmaster and it about 3 years old.
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