This replacement circuit board, part number 41AC075-2, from LiftMaster Chamberlain, fits a variety of LiftMaster garage door opener models. Replacing a faulty circuit board is relatively easy and quick repair and far less expensive than replacing the entire unit. Many problems with garage door openers are traced to the circuit board, also sometimes referred to as a logic board.
North Shore Commercial Door is a family-owned company with more than 35 years in the business. We offer several ways to help you find the garage door opener parts you need.
First, use our Chamberlain LiftMaster Garage Door Opener Circuit Board Compatibility Chart to find lists of replacement circuit boards compatible with various garage door openers. A second option is to use our search form. Just enter your circuit board’s part number to find a replacement. A third option is to post a question in our Comments/Questions section. You’ll get responses from both our experienced staff and our customers, many of whom are professional installers.
When you order your replacement circuit board, we recommend you also add a LiftMaster 990LM Garage Door Opener Surge Protector to your order to protect your garage door opener from electrical surges. North Shore Commercial Door offers special combo discount pricing when you buy the surge protector and circuit board together.
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QUESTION: Lights on one side of unit are not working even after replacing bulbs - what is causing this? by Mark H 10/7/2017
QUESTION: I have the Chamberlain 3/4 HP chain drive opener and a, having trouble with the door opener circuit. It doen't accept the program for the remotes and the door opens randomly without pushing any door opening buttons. I'm assuming the card is fried due to the latest power outage we had a week or so ago. Is it difficult to change the card in the unit? by None N 7/20/2013
ANSWER: Hello; I had fried my card and the replacement was really easy; in about 1/2 hour you should be able to do it yourself;<br />Good luck! by B D a
ANSWER: No, it is not, will take just a few minutes, more or less just plugs in. by Teddy B a
QUESTION: Is this the same as 41AC075-2S? by None N 7/9/2013
ANSWER: No it is not. I have a -2 that is new but they wont take back because I also needed a -2s. The plug in connections are totally different. by Scott V a
STAFF ANSWER: when ordering this you will need to specify in the comments section of the checkout procedure on which -2 unit you need. It is available in a -2S and a -2A. If you type 41AC075-2S Into the search box of the website it will bring that up. The same goes for the 41AC075-2A by Matthew O a