Question about liftmaster Chamberlain Garage Door Opener Transmitter 300MC

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Liftmaster 3280 grinding noise at motor when opening

Posted by Anonymous on

3 Suggested Answers

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Posted on Jan 02, 2017

  • 25 Answers

SOURCE: My garage door opener stoped working after a storm.

there is a 2amp fuse inside the opener. go get one and replace it. please look at what kind of fuse it is it's the one that has glass all around and about 1 inch long. to replace this unplug the unit then take the 4 screws out take cover off and you will see the fuse inside

Posted on Jun 20, 2009

swolfinor
  • 504 Answers

SOURCE: Liftmaster 3280 completely unresponsive

THEY CAN LOSE PROGRAMING IN ELECTRICAL STORMS OR POWER SURGES. UNPLUG THE UNIT TO RESET THE CIRCUIT BOARD.
REPROGRAM ALL REMOTES.
IF YOU STILL GET NO RESPONSE YOU PROBABLY HAVE A FRIED BOARD.
YOU CAN GET TROUBLESHOOTING INFO IN THE OWNERSMANUAL.
IF NOTHING ELSE WORKS CALL A LOCAL GARAGE DOOR REPAIR COMPANY. IF YOU REMOVE THE UNIT AND TAKE IT TO THEM MOST WILL DO FREE DIAGNOSTICS IN HOPE OF SELLING YOU THE REPAIR/PARTS/REPLACEMENT - BE SURE TO ASK IF THERE IS A CHARGE
HOPE THIS HELPS

Posted on May 28, 2010

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1 Answer

Garage door opener trolley keeps shearing off. Had it replaced a year ago, and I noticed that it is making a grinding noise and I can see it is halfway sheared off again.


issue with counterbalance springs. when you release trolley, door should balance at half way open. if i rises all the way on its own, or falls closed, then the springs are an issue and motor and trolley are working very hard in one direction or the other.

Oct 08, 2015 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Loud, grinding noise from garage door opener


Remove the cover from the motor housing and check the drive gear.

Jul 09, 2012 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a Liftmaster Garage door model 3280 and I changed the belt and when I try to open the door it only open about 2 feet from the floor.


Remove the belt and then run the opener until the sprocket on top of the motor runs in the counterclockwise direction and stops. Now with the door in the open position replace the belt. Some adjustments of the up and down limits will be necessary.

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

1 Answer

My liftmaster 3280 opens by itself occasionally. I have tested springs and they test fine.


Change the codes on the remote and of course the lifter itself, sounds as if some one in the neighborhood has programmed the same codes nearby.

Jan 02, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Can't reattach the door to the trolley and grinding noise, won't move


Pull straight down on the rope and release. Then you should be able to run the opener and the two halves of the trolley will click together. Sometimes you need move the door by hand to get this done. The grinding noise is most likely the drive gear stripping. Remove the cover from the motor unit and it should be obvious.

Oct 04, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I'm having almost the same exact problem w/ Liftmaster 3280


There is a small glass eye sensor on the garage lifter similar to your TV ( infra red) if this has become dirty with dust etc it will not always receive the signal.Check the manual to see a diagram and trouble shoot page.


Aug 14, 2009 | liftmaster Chamberlain Garage Door Opener...

1 Answer

My garage door opener stoped working after a storm.


TRY TO REPROGRAM THE REMOTES TO THE OPENER - THESE UNITS CAN LOSE THE MEMORY DURING STORMS.

I WOULD SUGGEST ADDING A SURGE PROTECTOR AT THE PLUG IN TO PREVENT DAMAGE TO YOUR UNIT IN THE FUTURE.

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

2 Answers

My garage door opener stoped working after a storm.


there is a 2amp fuse inside the opener. go get one and replace it. please look at what kind of fuse it is it's the one that has glass all around and about 1 inch long. to replace this unplug the unit then take the 4 screws out take cover off and you will see the fuse inside

Mar 10, 2009 | liftmaster Chamberlain Garage Door Opener...

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