If you have an automatic garage door then you have to disconnect the door sensors.
No power at fotocell garage door.
Disconnect the emergency release cord.
How to fix a garage door s photo eye.
1 the transformer has failed due to a power surge.
Also how to manually close and disconnect.
2 the glass fuse on the circuit board has blown or popped.
Once the power comes back on you must reconnect the garage door opener in order to take full.
Many times the malfunction can be due to a loose connection or broken wire.
Flip the circuit that controls the power to the garage door or disconnect the garage door plug from the wall.
Disconnect the power to the garage door.
It s important that there s no power running to your garage door motor or you may electrocute yourself when disconnecting the door sensors.
By using the emergency release cord you are able to open the trolley and shut down the electric garage door opener.
During a power outage the garage door must be manually opened and closed in order to get in and out of this area of your home.
Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not flashing.
Sweep the garage floors and look through the sidings to ensure that there are no objects to obstruct the door.