Elevator Forum kebo @kebo Forum Home | Recent Posts Active Member Joined: Jan 1, 2010 Follow Profile Activity Topics: 2 / Replies: 1 AllTopicsReplies Reply problem solvet GRP/J flashing means "inverter not running correct", the 3-phase were in a wrong order....Changed L1 with L2 and voila...it works 🙂 13 years ago Forum Technical Questions Topic LCB2 OTIS 13 years ago Forum Technical Questions Replies: 1 Views: 4531 Topic New here 13 years ago Forum Introductions Replies: 0 Views: 755