They can be placed anywhere along garage door wall that is convenient for mounting provided the location meets the following requirements.
Garage door stb no power.
Power has been interrupted 1.
Need something but do not think it is a new board.
No power at terminals 3 and 4.
If your garage door opener craftsman liftmaster chamberlain genie sommer decko has no power but it is plugged in the circuit breaker is on and you know for sure the electrical outlet has power then there is something in the garage door opener that is faulty there is an electrical issue in the opener.
Remove power and reapply.
It s important that there s no power running to your garage door motor or you may electrocute yourself when disconnecting the door sensors.
The genie safe t beam system is designed to ensure maximum safety for your garage door opener operation.
If an operating problem exists and cannot be rectified the door can be closed if you.
Range is 30 feet.
Disconnecting the sensors will prevent most automatic doors from working.
Flip the circuit that controls the power to the garage door or disconnect the garage door plug from the wall.
Garage will open with remote.
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1 they must be placed across the door opening 3 with a clear line of sight between them.
You will need to check the internal components of your garage door opener.
This replacement garage door safety sensor kit uses an invisible infrared beam across the opening of the door the system detects any object passing through the led beam of light and automatically reverses the closing garage door.
System stb source and sensor do not have to be mounted on garage door frame.
No lights on the sensors green or red.