This replacement circuit board, part number 41A5021-9G-315, made by LiftMaster Chamberlain, can be used to repair your LiftMaster garage door opener as well as openers of certain other brands. Replacing a faulty circuit board is a simpler and less expensive alternative to replacing your garage door opener if the circuit board, sometimes called the logic board, is not working right.
This replacement circuit board fits the LiftMaster ATS2113X ½-horsepower chain-drive garage door opener. It can also be used on Raynor garage door openers because Chamberlain LiftMaster manufactures identical circuit boards for Raynor and Sears Craftsman units. The LiftMaster Chamberlain 41A5021-9G-315 circuit board will work with your garage door opener if the panel on which your circuit board is mounted has any of the following numbers:
For more information on compatibility of parts, see our Chamberlain LiftMaster Garage Door Opener Circuit Board Compatibility Chart, which includes lists of replacement circuit boards compatible with various garage door opener operators. If you have question about which part to buy or are unsure about installation, ask your question in our Comments/Questions section. You’ll get responses from both our experienced staff and our customers, many of whom are professional installers.
We recommend you use a LiftMaster 990LM Garage Door Opener Surge Protector to protect your new replacement circuit board from electrical surges. North Shore Commercial Door offers special discount combo prices for a replacement circuit board and surge protector purchased together.
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QUESTION: My garage door opens on its own and closes, did it for a couple of hours last night? by Steve B 9/21/2016
ANSWER: Mine has never done that sounds like circuit board might be shorted inside by mike w a
ANSWER: Take batteries out of remote and see if it stops doing it by John W a
QUESTION: door reverses for no apparent reason there is no obstruction? by Jack B 6/30/2016
ANSWER: My door was doing same thing I had to adjust down pressure to almost max 8-9 to get it to stop. by mike w a
ANSWER: If you disconnect the door from the opener does the door operate smoothly? Maybe the door has gotten to a point where it is a little bit harder to close maybe needing lubrication. If the door does move freely, I would try increasing the downward force by one or two numbers. If the door still reverses, I would think about replacing the circuit board. Ken by Ken R a
REPLY: door is disconnected and I bought a new circuit board and installed from Northshore and it is doing the same thing closes about a foot and reverses by Jack B r
ANSWER: We ordered the circuit board and solved our similar issue. Great company. Didn't need their tech support but the part arrived as promised, easy to install and BAM we were good. Hope this helps! by Michael B a
REPLY: I have installed their new board and it still does the same any ideas by Jack B r
QUESTION: My circuit boards was visually bad so I bought a new on but it only lasted three days, any ideas what might be the cause? by None N 9/7/2015
STAFF ANSWER: If you have had any storms recently that could of made or board short circuit. I would advise using a surge protector on your operator. by Matthew O a
QUESTION: Is this a new part or a used? by Jane K 11/14/2014
ANSWER: it was new works good by Ferlin M a
ANSWER: new by Steve H a
ANSWER: The board I received was brand new, well packaged and received in a timely manner! by John O a