I can tell you genie does cover all moving parts on their openers for 3 years i believe.
My genie garage door opener has no power.
Door starts down then stops before it is closed.
I have never seen an opener just stop working like this on its own.
Hold your transmitter up near the selected button pressing both the garage door remote and the selected in car transmitter button simultaneously.
You have already performed the primary checks and verified power form the panel to the garage door opener receptacle.
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 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.
During a power outage you must manually open and close the garage door.
First unplug the unit.
Next plug something into the socket just to make sure there is power to the socket.
If so you know for sure there is power to the unit.
This sets the in car transmitter to be your garage door openers make transmitter but you are not done.
Check garage door for binding.
If an operational problem exists and the garage door opener will not close the opener can be forced to close.
There is an electrical issue in the opener.
Check for and clear any obstructions in its way.
An emergency release cord on the garage door arm opens the trolley to allow you to disengage the garage door from the opener.
I would first unplug the opener then will have to remove the cover to access the internals.
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.
Check for interference from adjacent photo eye sensors of any brand.