LiftMaster Chamberlain 41AC050-1M Garage Door Opener Circuit Board

LiftMaster Chamberlain 41AC050-1M Garage Door Opener Circuit Board

Item# 41AC050-1
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LiftMaster Chamberlain 41AC050-1M Garage Door Opener Circuit Board Instruction Manual
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Product Description

This replacement circuit board, part number 41AC050-1M, fits several LiftMaster Chamberlain garage door openers and is identical to earlier circuit boards with the 41AC050-1 part number. The final letter designates a model year change, so as long as the rest of the part numbers are the same, the circuit boards are interchangeable.

A bad circuit board is a common cause of problems with garage door openers, and replacing a faulty board with a new one from North Shore Commercial Door is a quicker and less expensive fix that replacing the entire unit.

This replacement circuit board fits the following LiftMaster Chamberlain models:






North Shore Commercial Door is a family-owned company with more than 35 years of experience providing garage door openers and parts for residential and commercial use. We have the expertise to help you find the parts you need. You can search by part number, using our search form, or consult our Chamberlain LiftMaster Garage Door Opener Circuit Board Compatibility Chart for a list of replacement parts compatible with your model of garage door opener. Another option is to post your questions using our Comments/Questions section. You’ll and get advice and answers from our experienced staff and from our customers, many of whom are professional installers.

North Shore Commercial Door recommends protecting your new replacement circuit board from damage caused by electrical surges by simultaneously installing a LiftMaster 990LM Garage Door Opener Surge Protector. We make it easy by offering a special combo price when you order both the replacement circuit board and the surge protector together.

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Comments / Questions

COMMENT: repair an existing opener and 2 day was offered at a reasonable price compared to other options by Scott G 3/3/2015
COMMENT: To replace original one, lighting strike by Greg m 12/16/2014
QUESTION: I see that this circuit board works for Model #3255 but does it also work for Model #3255M? by None N 6/25/2014
ANSWER: Sorry, I don't know by David W a
ANSWER: It did for me! by Mark D a
QUESTION: I have the 3255 and the remotes and keypad no longer work. I reprogrammed them to work, it took a while as they the system would not complete the learn action, but when they finally “sync” and the system “learns” they seem to work, but a bit later the remotes and keypad stop working again. Do I need to replace the board or could it be something else? by None N 5/28/2014
ANSWER: Replaced 4 separate boards of which 2 of them did as you describe , sorry but sounds like your board is history by E S a
QUESTION: Is it possbile to replace this logic board for one that has the MyQ? by Pablo S 5/9/2014
STAFF ANSWER: You cannot swap the circuit board to make it myQ... But if your Operator is currently newer than 1998 and Made by the Chamberlian Liftmaster group you can buy the Liftmaster MyQPCK and that will convert your system to a MYq system. by Matthew O a
QUESTION: I'm receiving 5 flashes on my Liftmaster 3255M. Could the problem be anything other than a shot logic board? by Jim P 12/23/2013
ANSWER: According to the manual, the motor has overheated or the RPM Sensor is not working. Unplug to reset the unit. After resetting and the light is flashing 5 times and the motor unit moves 6-8", replace the RPM Sensor. If the motor does not operate motor unit could be overheated, wait 30 minutes. If the motor unit still will not operate, replace the logic board. by Mark M a
STAFF ANSWER: It could be but it is not likely, I would replace the circuit board. by Matthew O a