Eaton S611 User Manual

Also see for S611: Installation leaflet Quick start installation guide Installation leaflet

Contents

S611 Soft Starter MN03902011E—May 2012 www.eaton.com 73Appendix G—Troubleshooting GuideThis guide is intended to provide the information necessaryto successfully troubleshoot issues that may occur duringthe operation of the S611 soft starter. The troubleshootingsequence and fault codes (FC) are identified below in twobasic groups, New Applications and Existing Installations.While any fault may occur in either category, experience hasshown that some faults are routinely experienced in onecategory. The following information is intended to be areference guide to quickly move through the process toachieve or restore operational status of the soft starter.New Applications Checklist—During CommissioningNote: It is not unusual for the S611 soft starter to trip in theprocess of being commissioned as it is likely that oneor more parameter(s) setting are not appropriate.120 Vac power applied● Sufficient minimum wattage and voltage value and inrushcapacityMains applied● All circuit breakers closed, fuses installed—no open fuses● All isolation devices closed● Verify continuity of mains power to soft starterLoad connected● All isolation devices closed● Reversing contactors (if used) in proper position● Continuity of circuit from soft starter to the motorParameter setup—operation mode● Motor FLA (A)—Overld trip FLA value (Default—frame sizeminimum)● Motor rated voltage (Default—480V)● Start method—Voltage ramp or current limit (Default—voltage ramp)● Start time—As required (Default—20 seconds)● Initial torque—As required (Default—45%)● Auto reset mode—As required (Default—Manual)Parameter setup—protection mode● Overld trip class—As required (Default—20)Parameter setup—operation mode—advanced configparameters● Start control—As required (Default—Level)● Relay 1—As required (Default—Run)● Relay 2—As required (Default—Faulted)● Network communications parameter setup as requiredNote: The following fault codes may be experienced duringcommissioning of a new installation or a new softstart into an existing application. Verify all connectionsand settings with test equipment as appropriate.Common commissioning fault codes● FC30—Current phase loss● FC31—Voltage imbalance● FC33—Jam● FC20—Overload● FC24—Phase reversal● FC17—SCR not firing● FC25—Start stallwww.comoso.com