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.
Check for and clear any obstructions in its way.
The likely culprit is an obstruction in the path of the garage door.
Press and hold the wall console button until the garage door is completey closed.
The only other work that could be done at this point is to perform checks on the power connection to the board.
Hold your transmitter up near the selected button pressing both the garage door remote and the selected in car transmitter button simultaneously.
Check for interference from adjacent photo eye sensors of any brand.
First unplug the unit.
If the problem persists check to see if the red safe t beam led indicator is blinking.
I can tell you genie does cover all moving parts on their openers for 3 years i believe.
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.
If so you know for sure there is power to the unit.
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.
Door starts down then stops before it is closed.
This sets the in car transmitter to be your garage door openers make transmitter but you are not done.
Next plug something into the socket just to make sure there is power to the socket.
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.
Check garage door for binding.
I would first unplug the opener then will have to remove the cover to access the internals.