Guide :Building Materials : Craftsman LiftMaster Chamberlain Garage Door Opener Wireless...
SEARS/CRAFTSMAN 53628SRT Not Closing properly
Due to a recent storm, my Door opener stopped working. I replaced the logic board with a new one, and now have this problem:
Door opens with remotes or wall button.
Door will not close with either remote. Light blinks for 5 seconds with no door function.
Door closes with wall control only if held continuously until closed. If button is released, door opens back and light flashes 5 seconds.
NOTE: The green LED next to the SRT button flashes 2 times in continuous cycles.
I assume this is something in the door reverse sensors. I have checked both and tried the door with sensors co