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.
My genie garage door opener has no power.
You have already performed the primary checks and verified power form the panel to the garage door opener receptacle.
Door starts down then stops before it is closed.
Hold your transmitter up near the selected button pressing both the garage door remote and the selected in car transmitter button simultaneously.
An emergency release cord on the garage door arm opens the trolley to allow you to disengage the garage door from the opener.
There is an electrical issue in the opener.
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.
This sets the in car transmitter to be your garage door openers make transmitter but you are not done.
If the problem persists check to see if the red safe t beam led indicator is blinking.
If so you know for sure there is power to the unit.
If an operational problem exists and the garage door opener will not close the opener can be forced to close.
Press and hold the wall console button until the garage door is completey closed.
First unplug the unit.
I can tell you genie does cover all moving parts on their openers for 3 years i believe.
Check garage door for binding.
Check for interference from adjacent photo eye sensors of any brand.
The likely culprit is an obstruction in the path of the garage door.
Hold down on the buttons until the in car red light flashes rapidly.
Next plug something into the socket just to make sure there is power to the socket.
The only other work that could be done at this point is to perform checks on the power connection to the board.
Check for and clear any obstructions in its way.