Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Craftsman 1/2 horsepower not working

Yellow light blinking 5 times

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  • Anonymous Jan 25, 2009

    door only opens about8 inches then returns the led on board flashes 5 times

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Five flashes indicates possible RPM sensor failure. First try unplugging opener for five minutes and plug back in. If it still does not work replace RPM sensor.

Posted on Jan 29, 2009

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The unit is displaying a sequence of 5 flashes with the amber light. When I try to open the door, it will only go forward and backward aprrox. 1 ft. Any suggestions on what I should do?


Craftsmsman 1/2 HP opener indicator light blinks five times ...

? 0:29
https://www.youtube.com/watch?v=AvXJd-tYCJ0
Apr 28, 2012 - Uploaded by bship452
Then showing the amber indicator light blinking 5 five times, stops ... push remote to operate opener, you hear a clicking sound from the unit. ... Show more .... blink 5 times (looks almost alike) If I forced the garage door closed, ...Missing: sequence

Sears Garage door opener problem - Home Forums

ths.gardenweb.com > Home Forums > Garages/Workshops
Jun 27, 2006 - Now, I cannot get the light in the sensor at the door to come on. ... the green LED went OUT about 1/2 way up the door opening sequence. .... other is working (I don't recall if it's green or amber, but know that it is lit.) ... Their is also a green LEDflashing 2 times every 5 seconds or so at control center of unit.

Craftsman Garage Door Opener Problem - Home Forums



Jan 05, 2016 | Building Materials

1 Answer

Door stopped working when I was trying to adjust the door. Blinking yellow light on the overhead unit


The motor has a thermal overload that will turn it off it if starts to overheat. Normally a 15 or 20 minute rest and it will automatically reset. The blinking yellow light may be sending a code. If it blinks 5 times and then pauses and then repeats it is the overload.

Feb 10, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door will not open manually or automatically/normally


The color of the sensors is normal and have nothing to do with your problem. If you cannot raise the door manually and it is released from the opener then you have a door problem. If you mean the door won't open and you cannot get into the garage to release the opener then you are going to have to call a door technician for help. He will get in.

Feb 08, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a craftsman 1/2 horsepower garage door opener, recently it started freezing, the light would blink,, it would work intermittenly but now theres no power, the electric plug has power, neither the...


You are going to have to find where you are losing power. The most likely place is the logic board especially if you have had any electrical storms or power surges. Remove the board and check for loose or missing traces on the printed circuit.

Nov 21, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

When our garage door opens, my light turns off immediately. How do I get it to stay on for about 5 minutes?


Try this:

Press and hold the Lock button until the light blinks (about 10 seconds). A single blink indicates that the timer is reset to 1 1/2 minutes. Repeat the procedure and the light will blink twice, resetting the time to 2 1/2 minutes. Repeat again for a 3 1/2 minute interval, etc. up to a maximum of four blinks and 4 1/2 minutes.

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

1 Answer

I have the 1/2 horsepower opener with the green (Sears)


Sometimes the sensors will be aligned closely enough that the logic board will turn on the receiving units light but it will act like yours. If you look real close at the light you will see that it is flickering ever so lightly. Tweak the sensor so the light is on steady.

Nov 10, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Fixing a craftsman half horsepower garage door opener


If the main light on the motor unit flashes 10 times and the door reverses to the open position it is a door sensor problem. Check to make sure they are pointed at one another. Each of them has a small light that should be lit and not flickering when they are aligned correctly.

Jul 23, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

5 blinking lights


The code for 5 flashes is RPM sensor or motor overload. Did you remember to put the black plastic interrupter cup on the end of the motor shaft? Also check the small quick disconnect on the RPM sensor printed circuit board. Make sure it is connected securely.

May 04, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door opener moves foward about 10 inches then returns


UNPLUG THE UNIT FOR ABOUT 5 MIN. TO RESET TRY TO OPERATE IF IT STILL MOVES 6-8 INCHES AND FLASHES 5 TIMES THE RPM SENSOR IS YOUR PROBLEM - COULD JUST BE THE CUP HAS MOVED ON THE SHAFT. IF IT IS IN PLACE AND STILL NOT WORKING REPLACE THE PICKUP.

Dec 11, 2008 | Sears Craftsman LiftMaster Chamberlain...

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