As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
Garage door will not go down with remote.
Garage door will go up with the garage door remote but will not go down using the remote.
Remove the 2 wires then touch them together see if it the door starts to open or close and if it does separate the 2 wires and allow the door to close or open fully.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
Unplug the opener and disconnect the two wires from the motor reconnect your machine to power then clear its memory and reprogram all remote controls unplug the device for a second time and reconnect the control wiring to.
Finally it s possible the garage door opener s motor.
Depending on the brand.
You will find that the door will only move an inch or so in the close direction and reverse.
If you remove the wall button there will be 2 wires connected.
You have to press the button on the wall to make the garage door.
First check the sensor lights.
If this is your situation the first thing you ll want to do is make sure these sensors are properly lined up.
There should be an adjustment on the unit to set the amount of resistance at which the unit reverses.
The transmitters remotes will not work to close the garage door.
Garage door won t close with car remote.
The test again in the opposite direction.
Quickly test the quality of your opener s wiring by following these steps.
If any of these sensors should happen to get bumped or misaligned the infra red beam would be thrown off and the garage door won t go down.
Step by step procedures to try if the garage door of your home will not go down without holding the button before calling a repair man was this video helpful.