Posted 10 Jun 2016 I have a micrologix 1200 series module which goes on fault mode after providing it in run mode and it shows an error of 81h whenever i clear the fault nd go to run mode i get faulted again. Please help guys Share this post Link to post Share on other sites
Posted 10 Jun 2016 (edited) See pdf. Check expansion module connections. Do you have expansion modules? If not make sure there are none configured in your program.(I/O configuration) error81h.pdf Edited 10 Jun 2016 by Mickey Share this post Link to post Share on other sites