Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
I just had my springs replaced and now my chain is making a clicking noise on top of opener. I have checked all the internal gear and worm gear and they are not damaged. Have removed chain and reset on rail no change. More clicks on the upward movement, It appears the noise is coming from the area around the chain spreader. Any thoughts?
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Posted on Jan 02, 2017
If you are getting a click the relay on the board sounds like it is working. Sometimes the contacts in the light socket gets burn spots on them. Try unplugging the unit, unscrewing the bulb and with a small scrapping tool (small flat screwdriver) scrap the bottom contact and the contact on the threads. Bend the contact on the threads a little too make better contact with the bulb. Screw the bulb the bulb in completely. If this does not solve your problem the only the left to do is to replace the logic board.
Posted on Jan 10, 2009
It sounds like you did a really good job! My Craftsman 1/2 hp gar. dr. opener has a red reset button on it on the l/h side as you are looking at the light/motor from the garage door opening. You have to take the light cover off to be able to see it. My reset button is on the same side as the ground wire. You might check the ground wire while you're there. I really hope that this fixes it for you (and me). I'm quite sure it will as you know your way around the garage door opener already. Good Luck and Let me Know (Please) if it fixed it or not. If I think of anything else, I'll let you know. Have a Good Day!
Posted on Jan 16, 2009
2 flashes is a safety eye issue, but you problen is most likely that the chain is not sync with the limit setting. Take the bottom off the gear and sprocket assemble and rotate center limit srew until it is in the same position as the trolley.
Posted on Jan 30, 2009
Check this link: http://www.fixya.com/support/t519365-sear_1_2_hp_garage_door_opener_replaced
Should help. Solution 1 did it for me. My comments are under username Otrand.
Posted on Mar 21, 2009
The drive gear is stripped. Remove the cover and you can see it just in front of the motor. It is white nylon and the part number is 41A2817. Available from Sears or any good door opener service company. It will come with instructions.
Posted on Jun 06, 2009
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