Wilson Hardness Rockwell 574 ForumsSign in to Start a DiscussionStart a Discussion Wed Aug 17 2016Asked byMaya5877 Problem with the lamp of the wilon hardness tester (model 574) Wed Jan 19 2022Updated byomar.aguilar5393 What is the meaning of Code E06 displayed on the display window? Page 1 of 1 1Ask a QuestionStart a Post: Wilson Hardness - Rockwell 574SubjectEnter a question about troubleshooting, PM, buying advice and moreā¦ Sign in to Submit your DiscussionSubmit your Discussion