Got it, I had checked out the swift website earlier, but just glanced over the link that mr. sheave posted above. since it said brake failure, i just figured that was not my problem, as there was no indication of a brake or brake board failure. however, after reading the above link, i got to wondering about the DC/DC converter on the SMI board. If it goes out, then the board will go out also. no power for the board to communicate. I sat down with the controller this morning and pressed on the dc converter on the VFC SMI board, and bingo, the board went blank and the car stopped. the board stayed out until i tapped on the converter again, then it came back on. now i ran it to a floor, waited until lu dropped, and tapped on the converter again, and bingo, the same errors occurred. Took the board out and found that this board had been repaired at an earlier time, it had small gauge wire soldered to the converter pins and to the clad. it was a horrible repair job with nasty soldering . I kept wondering why the car never faulted at hi speed, only when the car came to a stop, now i know why, when the car stopped, the Big ABB DC contractor would rattle the controller, and sometimes this vibration, would shout down the converter. Oh by the way, now i am on to the second car in the low rise that has been giving the mechanic fits for a month now, intermittent 94 errors, just as this one, but this one is dropping the fault output on the vfc board. when it occurs. also just after the car sets the brake. I tapped the hell out that converter, but no luck. guess i can't get that lucky :} Oh yeah, almost forgot 3 stars for broke sheave
Last edited by Scott Davidson; 03/07/12 05:57 AM.
