This led light flashes a specific number of times.
Garage door opener learn button led light not flashing.
If this doesn t fix your problem then the problem is more than likely the safety reversing sensors.
Below is a diagnostic chart showing the common light code for the arrow.
Non stop flashing indicates rf interference in the area.
Inspect door control wires for a short staple in wire replace as needed.
Assist you in troubleshooting your garage door opener.
Once you see the double flash press the control button on the remote control.
This is an indication of an open wire usually due to a staple.
Many times the malfunction can be due to a loose connection or broken wire.
Once you push this button the light on the garage door opener will flash twice.
If the learn led is flashing pausing and flashing again it is flashing an error code.
Garage door sensor locations.
The amount of times they flash corresponds to a specific opener issue.
If your garage door opener is still blinking try realigning the safety reversing sensors.
Step 3 go to the safety sensors and follow each of the wires where they staple to the wall and ceiling if the led blinks one time and pauses.
If there are white shaving inside the unit replace the gears if the opener is moving less than 6 to 8 inches 15 20 cm the rpm sensor may not be functioning properly.
Here are the most common problem indicators and solutions for common garage door openers.
The answer don sent is correct.
Sweep the garage floors and look through the sidings to ensure that there are no objects to obstruct the door.
Unplug the garage door opener and remove the cover.
Led is not lit on door control.
There is a led light next to or near the smart button programming learn button on the outside of the motor cover up above the antenna.
Liftmaster light blinking liftmaster comes with two methods of self diagnosis.
I am sending you an image showing what the flashes of the learn led mean.
Align sensors if the indicator lights glow replace the wires for the sensors.
If the sensor indicator lights do not light replace the safety sensors.
One is the arrow keys found on the opener and the second is through the small led light located next to the learn button.
Disconnect the garage door from the opener and cycle the opener.
To unlock your garage door opener push the lock button for 5 seconds.
On the garage door opener pictured below the led light is between the square purple smart button and the purple antenna wire.