Elevator Forum Bilbobobbo @bilbobobbo Forum Home | Recent Posts Active Member Joined: Jan 1, 2010 Follow Profile Activity Topics: 2 / Replies: 1 AllTopicsReplies Topic Tac 50-04 644 fault 1 year ago Forum Technical Questions Replies: 1 Views: 1047 Reply I just had this issue where I replaced an IGBT and the new one failed the same day. Is there a procedure for how to change them? I did not use new hea... 1 year ago Forum Technical Questions Topic Kone KCM 831 Emergency Stopping 2 years ago Forum Technical Questions Replies: 1 Views: 1794
