When you see you garage door opener lights flashing and the garage door will not close it could be the lock button or the safety reversing sensors.
Blink door sensor.
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Start by checking if.
Sensor wires are disconnected.
Each sensor has an led light on the exterior of the sensor.
Circuit board blinks once.
Starting at 34 99 mini is a great first step towards keeping your home more secure.
Garage door light flashing but won t close.
Sensor wires have been shorted.
If one of the leds is blinking the sensors need to be realigned.
Circuit board blinks twice.
Circuit board blinks a third time.
The sensors are misaligned.
For most older units use the information below to see what the issue is.
Is mighty but tiny which means you can plug it in anywhere inside your home.
Look at both the garage door sensors.
This is also a great way to see why your garage door opener is blinking continuously.