The Craftsman® #53930 1/2 HP Chain Drive garage door opener features a rugged chain drive for smooth and dependable operation. This system includes two 3-button remote controls and a standard control console. The Security+® anti-burglary technology assures a new code is sent every time the remote control is used.
I need to find out what a flashing light on the wall switch means. I also have a yellow light on one of my sensors. blay@alum.mit.edu.
BradleyLayton 3 months ago