text: <s>[INST] 525 Drive Safety Open Enable - Paramter 105 Summary: Fault Disable/Fault Enable Functionality Can someone explain the difference parameter 105 Fault Enable vs. Fault Disable in a 525 drive? If I set parameter 105 to fault enable and remove jumper between terminals S+, S1 & S2 the drive faults. If I set parameter 105 to fault disable and remove jumper between S+, S1 & S2 I get same results. Also, in both cases, drive must be powered down then powered back up to clear fault. Thanks [/INST] Welcome to the Forum ! Inside the following technote, you can find a detailed description of its operation. 550198 - Relationship between Safety Inputs and Safety Hardware Fault or Safety Open Fault - fuzzy logic In order to enhance the reputation of the Forum's contributors, please rate the replies you got and remember to close the thread clicking Choose as Best Answer button over the solving answer. Thanks ! \\n </s>