76 S611 Soft Starter MN03902011E—May 2012 www.eaton.com● Fault occurrence categories● Immediately when START command is issued● During the START ramp, before the internal bypasscontactors close● During the internal bypass contactor closure event● Anytime during the RUN operation● During the STOP command● LED indication conditions● Fault– Active fault is present, cannot RESET● Ready– Not responding to START command from field wiring● LEVEL sense– Insufficient voltage at terminal “Permissive”– Insufficient voltage at terminal “Start”● EDGE sense– Cycle 24 Vdc at terminal “Start”– Insufficient voltage at terminal “Permissive”– Insufficient voltage at terminal “Start”● OFF—All– Check for loss of 120 Vac control power and/or lessthan 100 Vac– Check terminal block for condition and security– Verify 120 Vac at appropriate terminals– Verify proper operation and capacity of CTs● START command troubleshooting● From the terminal block– Verify that terminal “Permissive” is energizedcontinuously– Verify that 120 Vac is applied to terminal “Start” toissue START command– If terminals “Permissive” and “Start” are tiedtogether, verify that both terminals receive 120 VacSTART signal– If START control parameter is set to EDGE, verify that120 Vac has been cycled (removed, then reapplied)after faults have been resetTorque Settings and Corresponding Current ValuesTorqueSettingCurrent as %Locked Rotor Initial Motor Torque85% 92% Maximum71% 84% —56% 75% —45% 67% Default Value36% 60% —33% 57% Wye-Delta Equivalent27% 52% —19% 44% Minimum for Current Limit14% 37% —9% 30% —1% 10% Minimumwww.comoso.com
