B&D SDO-6v3 Garage Door Closes Then Opens Again
B&D SDO-6v3 Garage Door Closes Then Opens Again: How I Fixed It My B&D SDO-6v3 garage door opener developed a strange intermittent fault. The garage door would close all the way to the ground, but the motor would continue trying to close it. Around 10 to 20 seconds later, the door would unexpectedly open again. What made this especially frustrating was that it didn't happen every day. I'd noticed the problem during very hot weather and also on particularly cold days. On other days, the garage door worked perfectly. After some troubleshooting, I discovered that the likely problem was the closing travel limit . Resetting the travel limits resolved the issue without needing to replace the motor or any parts. The Problem: Garage Door Closes, Then Reopens These were the symptoms I experienced: The garage door travelled down normally and reached the concrete floor. Even though the door was closed, I could still hear the motor trying to drive it further down. ...
