Hi ,having issues with otis eight stop traction,will shut down on down run in auto , then sometimes runs good,I cleared CPU codes,cleared drive codes.ran until failure,CPU had a 2005 fault one time ( unavailable ) ,drive had sys shutdown ,sys in to flow, command lst, encoder direction , drive overload. I have replaced encoder . Anybody have a direction to proceed. Thanks

I'd Take a Look at The Brake and The Brake switch..