Next plug something into the socket just to make sure there is power to the socket.
My genie garage door opener has no power.
I can tell you genie does cover all moving parts on their openers for 3 years i believe.
First unplug the unit.
An emergency release cord on the garage door arm opens the trolley to allow you to disengage the garage door from the opener.
Press and hold the wall console button until the garage door is completey closed.
If the problem persists check to see if the red safe t beam led indicator is blinking.
There is an electrical issue in the opener.
I would first unplug the opener then will have to remove the cover to access the internals.
If so you know for sure there is power to the unit.
I have never seen an opener just stop working like this on its own.
If an operational problem exists and the garage door opener will not close the opener can be forced to close.
The likely culprit is an obstruction in the path of the garage door.
This sets the in car transmitter to be your garage door openers make transmitter but you are not done.
Check for and clear any obstructions in its way.
Check for interference from adjacent photo eye sensors of any brand.
Check garage door for binding.
During a power outage you must manually open and close the garage door.
The only other work that could be done at this point is to perform checks on the power connection to the board.
While this may seem like a no brainer one of the most common causes of garage door opener failure is simply the result of the power cord working loose from the electrical outlet.
Hold down on the buttons until the in car red light flashes rapidly.
If your garage door opener craftsman liftmaster chamberlain genie sommer decko has no power but it is plugged in the circuit breaker is on and you know for sure the electrical outlet has power then there is something in the garage door opener that is faulty.