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Lynx 455 plus manual

Door close 1/3 and then reverses and opens

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

ctf1800
  • 4402 Answers

SOURCE: Garage Door Opener Intermittingly Reversing

try adjusted the sensor controls on the sode of the unit other wise replace the logic board
http://www.chamberlain-garage-door-openers.com/circuitboardcompatibilitychart.htm

Posted on Jan 10, 2008

Nitrotrike
  • 589 Answers

SOURCE: door hard to close have starts to close stops and starts to open again have to keep stopping and reversing door mult times to get closed

There should be two small white adjustment knobs on the side of the unit that you turn with a small flathead screwdriver. These are the load / limit adjusters.

What it happening is it think there is something stuck under the door (like a car hood, etc)

These adjustments are VERY sensitive, so be patient while adjusting them.

Posted on Feb 11, 2008

Door Tech
  • 98 Answers

SOURCE: Door opens alittle then closes but not back all the way

If you have a Chraftsman/Liftmaster:
1.Check to see if the door is running correctly.
A. Run the door down and pull the emergency release. See if the door will run easily by itself.
1. If it runs hard by hand try lubricating the rollers and hinges with silicone spray or some form of lubricant (not WD 40)
2. If the door is heavy and falls back to the ground, you probably have a spring issue (either broken or needs more tension) in this case call a professional door repair company in your area.
B. If the door runs fine then check the up and down force on your operator (the box that hangs from the ceiling and reads Craftsman). If the light(s) on your operator go from front and/or back, the force adjustment screw is on the back of the operator. If the lights are on the sides of the operator then the force adjustment screw is on the right side (looking from the back of the operator and facing the garage door). Turn the light blue adjustment screw with the up arrow to a higher number.
C. If this does not solve your problem the top bushing could be going out of your operator. Open the case and see if a lot of black filings are on the top of the big gear. If so the gear assy. will have to be replaced part # 41C4220A

Posted on Jan 04, 2009

  • 244 Answers

SOURCE: Liftmaster 1265LM 1/2 HP does not open or close with remotes

is chain moving. if not, gears are shot. if moving, is trolley connected.

Posted on Jan 15, 2009

  • 3197 Answers

SOURCE: hello does my lynx 455 plus sensors have lights

Not familiar with lynx but every sensor I have seen or heard of has a light. It is the only way to tell when they are pointed correctly at one another.

Posted on Jan 08, 2010

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1 Answer

My Chamberlain 41A5389-1B 1/2HP door opener will only close via the wall push button when it is held down until door is fully closed. Will not close with remote, when using the remote it will start to...


Have you checked the tracks on both sides? If the door closes when you hold the wall button there may be an obstruction or a bad guide. This could exert enough resistance to make it stop and reverse. Holding the wall button allows it to keep going past the problem.

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I have a 1/2 hp crftsman 41A4315 garage door opener. I changed the gear and now it won't close all the way. It started going down and reverse back up


your chain is in the wrong position, unhook the chain and run the door opener so it is in the down position, then reattach the chain and make the adjustments as needed on the up and down screwes located on the side of the unit. good lick

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Garage door opener won't close unless button is held. replaced safety sensors, tried realigning sensors, no joy. help!


Hello. follow this link and read Q&A #1, I think this may be the issue. The link to purchase new sensors (if necessary) is imbedded in that paragraph at the end. Also, here is their toll free: 1(800) 711-8410. If this helps please vote four-thumbs please.

Good luck.

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I have two craftsman door openers. They work great with pushbutton on wall, open and close ok. The door opens fine with remotes ( one handheld other homelink in car ) but will not close with remote. It...


If the main light flashes 10 times and the door reverses to the open position it is a door sensor problem. Make sure the lights on the sensors are both on and not flickering. Tweak them if necessary. If you cannot get both lights to come on you have bad sensors or the wiring to them.

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1 Answer

My Craftsman 1/2 Hp garage door opener doesn't stop going down despite (quite forcefully!) applying pressure in the opposite direction. It would buckle (and did) if I don't let it continue unhindered...do...


YOU NEED TO ADJUST THE DOWN FORCE.

YOU WANT TO TURN IT COUNTER CLOCKWISE TO THE STOP (THIS ADJUSTMENT IS ONLY ABOUT 3/4 TURN FROM MIN. TO MAX.). THEN TRY THE DOOR IF IT REVERSES TURN IT ABOUT 1/16TH TURN CLOCKWISE. CONTINUE THIS VERY MINOR INCRAMENT ADJUSTMENT UNTIL THE DOOR CLOSES WITHOUT REVERSING. THEN GO 1/16TH TURN FURTHER.

YOU SHOULD BE ABLE TO STOP THE DOOR AND REVERSE IT BY GRABBING THE BOTTOM OF THE DOOR AS IT GOES DOWN AND LIFTING SLIGHTLY. IF YOU CAN'T GET THE DOOR TO BOTH CLOSE AND REVERSE WITH MODERATE PRESSURE YOU MAY NEED ADJUSTMENT TO THE DOOR / SPRING / ETC.
- I DO NOT RECOMMEND ADJUSTING THE DOOR YOURSELF - CALL IN A PRO FOR THAT.

IF THE ADJUSTMENT IS SUCCESFUL ADJUST THE OPEN SENSITIVITY / FORCE IN THE SAME MANNER.

HOPE THIS HELPS

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1 Answer

My liftmaster 2265 1/2 hp remote does not close


If the door starts to close and the main light flashes 10 times and the door reverses to the open position it is a problem with the door sensors. Make sure they are pointed at one another and they each have a small light that must be on and not flickering.

If it starts to close but reverses and the main light does not flash 10 times it is possibly the RPM sensor which is a small printed circuit board just in front of the motor.

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1 Answer

Garage door closes and then opens immediately.


On the back of the motor unit you will find a control 'down force'. Turn this about 1/4 turn and try. This is for the reversing after moving a foot or so. Do not increase this control too much as it affects the safety.

If the door is hitting the floor and then reversing you will need to adjust the 'down limit' which is on the side of the motor unit. It takes a small screwdriver and you need to turn this control in the opposite direction of the arrow printed on the cover. Some tweaking will be necessary and remember if you run the motor too much a thermal switch will shut it off and you will have to wait 15 to 30 minutes for it to cool. This is normal so you will not be hurting anything.

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1 Answer

Door reverses about 1 foot from floor.


You can overridride by pushing and hold wall button. If the door goes down and reverses up about a foot from the floor it could be a force setting issue on the opener or an issue with the door. First, pull the handle on the opener and operate the door manually a few times to make sure it opens and closes freely. You should be able to open and close the door with one hand or there is a problem with the door. If you determine that the door is ok then look at the force setting knobs. They are located on the back and have numbers from 1-10. These should be set on about 4-5 for the upforce and the downforce. I hope this helps.

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1 Answer

Garage Door Opener Intermittingly Reversing


try adjusted the sensor controls on the sode of the unit other wise replace the logic board
http://www.chamberlain-garage-door-openers.com/circuitboardcompatibilitychart.htm

Dec 24, 2007 | Sears Craftsman LiftMaster Chamberlain...

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