Elevator Forum Jimmytwotimes @jimmytwotimes Forum Home | Recent Posts New Member Joined: Jan 1, 2010 Follow Profile Activity Topics: 0 / Replies: 2 AllTopicsReplies Reply Once the max unit is installed, the ims communication goes through the max unit using the cpua version of ims, not the standard version. But you shoul... 7 years ago Forum Technical Questions Reply Probably bad clc, and selector needs a hoist way scan but CLC is not communicating. 7 years ago Forum Technical Questions