The likely culprit is an obstruction in the path of the garage door.
Genie garage door sensors not working.
Door starts down then stops before it is closed.
If the problem persists check to see if the red safe t beam led indicator is blinking.
Press the button that closes the garage door on the garage wall or on your remote.
If the sensors are working the garage door should immediately stop closing and return to the open position.
How a garage door sensor works.
The transmitters remotes will not work to close the garage door.
Press and hold the wall console button until the garage door is completey closed.
If an operational problem exists and the garage door opener will not close the opener can be forced to close.
When the device detects any person or object in the path of a closing garage door it signals the motor to stop the downward action and switch the motion into reverse to stop the obstacle being crushed.
You will find that the door will only move an inch or so in the close direction and reverse.
One question that is frequently asked why isn t my genie not working.
Check garage door for binding.
Cycle the garage door through the opening and closing actions using the control on the garage wall.
Once your garage door is secure pull down on the manual release cord which should be red and located next to the garage door motor.
Check for and clear any obstructions in its way.
If it is be sure that the lenses are mounted five to six inches from the floor on either side of the garage door opening.
To disable your garage door sensor first make sure your garage door is closed or propped up with 2 by 4s just in case it comes crashing down when it s put into manual mode.
If one or both of the lights are off check the fuses breakers and plugs for problems.
Doityourself has a wonderful explanation.
There are a few common reasons a genie garage door opener will stop functioning.
Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.
Knowing how a garage door sensor works allows a homeowner to be watchful for what might affect it.
Check for interference from adjacent photo eye sensors of any brand.