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Sears garage door opener model 139.30437 does not close intermittently

All connections were done correctly by the installer. It will work for awhile and eventually to get the door close I will have to hold and pull the door downwards while pressing the remote control

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6ya6ya
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Posted on Jan 02, 2017

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lobsterman72
  • 91 Answers

SOURCE: Door will only close when held down

That normally happens when the sensors aren't aligned. Both sensors have led lights on them the yellow/orange one will stay on all the time the green one will go out if it cant see the other sensor. Possibly theres a wire that's broken or the other sensor is really out of alignment. Check every inch of wiring from the sensor to the opener, remove wire nuts if present and check the connections. The wires that are used are small, solid and can break easily. Also see if there's a staple that's too tight, move the wire abit where it's stapled and look for damage.

Posted on Jun 27, 2008

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tlm931
  • 273 Answers

SOURCE: My garage door won't close unless I hold the main button down

your garage door has saftey sensors at the door
these are photo eyes
in the owners manuel that came with the opener
that has pictures in it which would help
the photo eyes need to be clear of debri and aimed at each other with no obstruction
there are leds on each sensor and when aimes properly they should be light if i remember correctly
if you can not get them to light then you may have to replace the sensors

Posted on Oct 27, 2009

  • 3197 Answers

SOURCE: Craftsman Model 139.53684 Security+ Keyless Entry

To answer your question the opener is in vacation mode. Press and hold for 3 seconds the button on your wall control with the lock icon. The green light will stop flashing and you will be back in business.

Posted on Dec 08, 2009

  • 1 Answer

SOURCE: garage door will not stay closed when pressing remote

move anything on the floor near the sensors away from the sensors. also make sure the door is not hitting anything

Posted on Dec 08, 2012

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1 Answer

When garage door is opening the safety sensors activate and starts closesing the garage door. They should activate when I close the garage door.How can I correct this action?


How do you know it is the sensors? Has this opener ever worked properly? Do the main lights flash 10 times when the door reverses? If the opener worked before have you had it apart or done some work to it?

Jan 24, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a Chamberlain Whisper Drive Security + model HD900D that is opening by itself awhile after the door has fully closed & I've gone into the house, sometimes its hours after the door fully closes....


If the door hits the floor too hard the safety will reverse it to the open position. This can be an intermittent situation. A bad wall control or the wiring to it will also cause this problem. To eliminate them you can remove the wire from terminal #1 on the rear of the motor unit. A staple in the wire can cut through the insulation.

Jan 01, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have sears opener #139.53989. Every once in a while I have a down problem. It goes down within an inch of the floor and reverses. Sometimes I can hold the wired remote button and it will go all the way...


If the main light flashes 10 times when the door reverses it is a sensor problem. Check them very closely. If they are just a little off one of them will be flickering but it is difficult to see. This can also cause the problem to be intermittent. Tweak them just a little.

It is normal for that light to blink randomly.

Jan 27, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Craftsman Garage Door Opener Intermittent


Yes your receiver is bad and it is part of the logic board.

Jul 20, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Opens & closes arbitrarily on it's own


This is usually cause by a bad wall control or the wiring going to it. Sometimes the staples used by the installer will cut through the insulation and intermittently short the two wires together. The wall control just goes bad from use.

Jul 19, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door will inconsistenly not close


It is normal for that LED by the learn button to flash randomly. It can also flash a code to help with diagnosis. The codes are 1 to 6 flashes followed by a pause and then repeats. A rapid flash is a sign it is receiving a radio signal but not necessarily the correct one to operate the door. If when your door doesn't close properly the main light flashes 10 times and the door reverses to the open position it is a door sensor problem. The sensor must be pointed at one another and sometimes can be off just a hair and will cause intermittent problems. A slight tweaking of the sensors will cure this problem. The 'down force' adjustment can be set too low and cause the door not to close sometimes. This can be increased to overcome this problem. This problem will not cause the main light to flash. The other possibility is the RPM sensor. This is the printed circuit board that senses when the door runs into something. I have never seen one intermittent but that doesn't mean it's not possible. I hope this helps you.

Mar 19, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door won't open or close


Check the connection on your limit assy. Many times people forget to reconnect this.

Jan 02, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Down travel


HOW DOES THE DOOR WORK WHEN NOT CONNECTED??

DOES THE OPENER GO DOWN WHEN NOT CONNECTED??

ARE THE EYES ALIGNED CORRECTLY?? DO THEY MOVE OUT OF ALIGNMENT WHEN THE DOOR CLOSES??

IF THE DOOR IS NOT HARD TO CLOSE -DOWNLOAD THE INSTRUCTION MANUAL AND FOLLOW THE ADJUSTMENT INSTRUCTIONS CAREFULLY.

HOPE THIS HELPS

Dec 13, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Chamberlain Liftmaster Sensor Problem


I think it time to replace the logic board
http://www.chamberlain-garage-door-openers.com/circuitboardcompatibilitychart.htm

Jan 10, 2008 | Sears Craftsman LiftMaster Chamberlain...

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