Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.
Keep garage door light on.
If your door control has a lock button it may have been turned on.
Or you can use a 3 way switch this will allow the timer to stay in the loop and give you a.
Brass contacts in garage door opener light bulb socket.
The switch is on a timer you can disconnect the timer this will leave the light on.
The range on most light units is from 90 to 240 seconds.
However if the sensor detects an obstruction that prevents the door from closing say your dog is running under the door as it s closing that breaks the.
The light on your garage door opener refusing to shut off may be inconvenient but there are three possible causes that could trigger the light to stay on past its four and a half minute factory default settings.
To unlock your garage door opener push the lock button for 5 seconds.
Once you see the double flash press the control button on the remote control.
The door operator button is similar to a door bell.
This will allow you to keep the garage door on the outside while adding more insulation and soundproofing to the converted room.
When the lock button is on the garage door opener will work from the door control but the remote controls are locked out.
One contact runs down the side of the socket and the other is at the bottom.
If this doesn t fix your problem then the problem is more than likely the safety reversing sensors.
The extra space between the new wall and the garage door can also serve as storage space if you add a door.
Fortunately there is usually a blinking light on the opener or at the door operator button that indicates a blockage at the door but if you don t see any blockages it s also possible that a sensor has just gone bad and needs to be replaced.
The light will flash two times.
Over time these brass contacts will flatten causing the connection with the light bulb to be intermittent.
Here s how to tell if garage door sensor is bad five things to check.
Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
Insert the blade of the screwdriver into the appropriate slot.
Press the lock button to turn this feature off.
Once you push this button the light on the garage door opener will flash twice.
Examine the garage door opener button.
If the path between the sensors is unbroken the door will open and close normally.
If your liftmaster garage door opener came with an 880lm premium motion detection control panel then check out these reasons the light on your garage door opener is staying on.
There are two brass contacts in the light bulb socketof a garage door opener.