Do you get (-----) on the display when the elevator reaches the top floor on a shaft learn?

What software version do you have on LCE?

Have you tried changing the motor type in the parameters to something different, to say MX 20 and then changing back to your motor for example MX 10 as this ill load preset parameters into your drive. this is use full if you have been changing parameters and need to start over.

Also may be worth checking tacho filter parameters and that 77 switches are not getting a false signal during set up, from something like a guide bolt.