Garage Door Opener Circuit Board Replacement - Craftsman Liftmaster Opens From Wall But Not Remote
Craftsman Garage Circuit Board: https://amzn.to/3HyedgV
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Craftsman Garage Keypad: https://amzn.to/31lsf64
I recently ran into a problem with my Craftsman garage door opener where it opens like normal when I use the remote. But for some reason it won't close. Eventually I identified the issue and my problem was fixed with a new circuit board. So here's how to remove and replace the circuit board.
First, unplug the motor. But before doing anything else, take a picture of the wiring and control settings for later reference. Ok now take out the light bulb and unscrew the wire terminals to loosen them up. Now take out the 4 screws holding the control panel to the motor housing. And anyone can do this even if you don't have any experience. I've listed the circuit board in the description so it's easy for you to find. Gently pull the wire connector from one side then the other until it slips off.
Then all I have to do is swap the circuit boards and the problem is solved. First I'll remove the 5 screws that hold the circuit board onto the original faceplate. This is really easy to do and all you need is a Philips screwdriver. Then take note of the wire colors and then unplug the spade connectors on the light socket. Doing this completely detaches the board from the faceplate. Now I'll just repeat the same process on the replacement part. All I really need is the circuit board. After the screws are out, I'll have to disconnect the remaining 2 wires. So a pair of pliers can really help out here. Ok now it's time to put the new circuit board into the old faceplate.
At this point, I can just go ahead and reverse the entire process. Hopefully you took a picture of the wires on the light socket. But even if you didn't, I think the wire spades are different sizes to help you get the right ones on there. Then take the 5 screws from earlier and use them to secure the board in place. I hope you're able to see how easy this repair is. Now compare the blue adjustment dials and set the new board exactly the same as was on the old board. After this, the assembly is complete!
Reattaching the faceplate to the motor housing is easy. But the most difficult part is plugging the wire harness back in. As far as the screws go, the shorter ones go up on top and the longer ones go on the bottom.
When the faceplate is secured, refer to the picture you took earlier to help reconnect everything to the terminals exactly like before. Last thing to do is screw in the light bulb and plug the garage door opener back in.
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