Please start with the model number so we can look it up.
Then some details of exactly what is happening.
By now I can just about diagnose a lot of trimers by ear but all we have to go on is the words that you type.
And what you wrote tels us nothing other than you are going to get crankied at cause the edges have npt been done.
So exactly what happens, from the time ou pull the cord till it stops.