Install and align the brackets so the sensors will face each other door across the garage door with the beam no higher than 6 track 15 cm above the floor.
How to align craftsman 1 3 horse garage door sensor.
Craftsman 139 30437 is a residential garage door opener.
If your craftsman garage door opener fails to close the door properly you may need to disable the sensor light temporarily until you can replace the sensors.
Lower is easy to stand above with a foot on either side.
Sometimes the sensor becomes faulty and needs to be replaced.
Install an overhead garage door.
Sometimes local building codes require the door opener to be hardwired in which case you can easily remove the cord and make the connections.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
If your garage door sensors are outside of this range remove them entirely from the garage door frame and install leveled inside the safe zone.
The installation instructions for a craftsman door opener call for installing the sensors 6 inches above the floor and you can mount them to the floor the wall or the door track with the.
For the craftsman 1 2 hp garage door opener i have i d need a signal generator that sends a pattern of 6 millisecond long 6 volt pulses followed by no signal for 0 5 milliseconds.
Higher than that can miss many low lying objects including pets.
Craftsman 1 2 horsepower garage door openers are shipped with a fixed cord that can be plugged directly into an available grounded household outlet.
Each of the several models of the craftsman 1 2 hp garage door opener is operated by a chain drive.
Craftsman 139 30437 garage door opener troubleshooting.
In this video i show you how to realign your garage door sensors so that the garage door can function properly.
Align garage door sensors.
This model also utilizes the assurelink connectivity feature.
Page 22 mounting and wiring the safety reversing figure 5 sensors wing nut slide a 1 4 20xl 2 carriage bolt head into the slot on each sensor.
Most of the features and functions on each model work in the same way.
When problems arise following some basic troubleshooting steps will help diagnose the cause of the problem.
All garage door openers use a sensor light to prevent the door from closing when an object is in its path.