You have already performed the primary checks and verified power form the panel to the garage door opener receptacle.
My genie garage door opener has no power.
Next plug something into the socket just to make sure there is power to the socket.
During a power outage you must manually open and close the garage door.
Check garage door for binding.
If the problem persists check to see if the red safe t beam led indicator is blinking.
If an operational problem exists and the garage door opener will not close the opener can be forced to close.
I would first unplug the opener then will have to remove the cover to access the internals.
The likely culprit is an obstruction in the path of the garage door.
I can tell you genie does cover all moving parts on their openers for 3 years i believe.
If so you know for sure there is power to the unit.
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.
First unplug the unit.
There is an electrical issue in the opener.
I have never seen an opener just stop working like this on its own.
Press and hold the wall console button until the garage door is completey closed.
Hold down on the buttons until the in car red light flashes rapidly.
Check for interference from adjacent photo eye sensors of any brand.
This sets the in car transmitter to be your garage door openers make transmitter but you are not done.
An emergency release cord on the garage door arm opens the trolley to allow you to disengage the garage door from the opener.
Check for and clear any obstructions in its way.
Door starts down then stops before it is closed.