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My liftmaster 1345 model has a continuous blinking that will not stop!

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With my door closed, i push door button to open and the chain and opener continues inthe closing mode. any help?


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Jan 10, 2016 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

How do I program with Liftmaster 1/3 HP Model 1345?


http://www.liftmaster.com/CatalogResourcesV3/en-us/shared/files/tucmanuals/114A3072.pdf

May 09, 2015 | Building Materials

1 Answer

Liftmaster 1345, sending light is on, receiving light is not on, door will not close, light blinks 10 times, why??


Because we live in a free country the government says garage door openers manufactured after 1993 have to have an inferred safety reversal system (UL325).
You need to adjust the receiving sensor until you have a steady green light, then the garage door opener will function properly again.

Feb 11, 2015 | Building Materials

1 Answer

Liftmaster Professional 1/2 horse model # 41A5483 installed in 02 Learn light flashes 4 times. When openers are hit in cars (2 Chrysler vans use built in Homelink Systems built into sun visors, one car...


check the settings on the unit itself sometimes if you have it set up to come down too rapidly it will cause it stop and go back up because it thinks its hit something.

Apr 10, 2011 | liftmaster Garage Door 1/2 Hp

1 Answer

My garage door has been working fine but suddenly won't open. The weather has been below zero for several days now which has caused this problem in the past. It acts like it wants to open but then just...


You need to check for a broken door spring and also remove the cover from the motor unit and check the drive gear. It is probably stripped. The part number for it is 41A2817.

Jan 13, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a Craftsman 1/2 HP model #13953975SRT1.


It is normal for it to blink randomly. If you watch it while you press your remote you will see what it looks like when it is receiving a properly coded signal.

May 31, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Hi I have 1/3 hp liftmaster garage door opener that will not open from the remotes but will open with button on wall. I think it is a reciever problem?? any suggestions?/


reset your remotes and your main transmitter after removing and replacing the remote batteries (these use rolling codes that change each time you operate the door) the procedure for doing this is listed on the liftmaster website

Apr 30, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

When I push open or close the unit starts but stops the yellow light on rear of unit blinks 4 times then a short pause and blinks 4 times again and continues to do this



# of flashes

1

2

3

4

5

6

Rapid Flashing





Problem

The Protector System wire open or totally misaligned

The Protector System wire shorted or black/white wire reversal

Door Control or Multi-Function control Panel wire shorted

IR sensor slightly misaligned (dim or flashing sensor LED)

Motor overheated/Possible RPM sensor failure -- unplug to reset

Motor circuit failure -- replace RX/LX board

Liftmaster transmitter with the correct format code being received
(opener not necessarily programmed to respond)

Mar 28, 2009 | liftmaster Chamberlain Garage Door Opener...

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