76 S611 Soft Starter MN03902011E—May 2012 www.eaton.com
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Fault occurrence categories
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Immediately when START command is issued
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During the START ramp, before the internal bypass
contactors close
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During the internal bypass contactor closure event
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Anytime during the RUN operation
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During the STOP command
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LED indication conditions
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Fault
– Active fault is present, cannot RESET
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Ready
– Not responding to START command from field wiring
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LEVEL sense
– Insufficient voltage at terminal “Permissive”
– Insufficient voltage at terminal “Start”
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EDGE sense
– Cycle 24 Vdc at terminal “Start”
– Insufficient voltage at terminal “Permissive”
– Insufficient voltage at terminal “Start”
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OFF—All
– Check for loss of 120 Vac control power and/or less
than 100 Vac
– Check terminal block for condition and security
– Verify 120 Vac at appropriate terminals
– Verify proper operation and capacity of CTs
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START command troubleshooting
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From the terminal block
– Verify that terminal “Permissive” is energized
continuously
– Verify that 120 Vac is applied to terminal “Start” to
issue START command
– If terminals “Permissive” and “Start” are tied
together, verify that both terminals receive 120 Vac
START signal
– If START control parameter is set to EDGE, verify that
120 Vac has been cycled (removed, then reapplied)
after faults have been reset
Torque Settings and Corresponding Current Values
Torque
Setting
Current as %
Locked Rotor Initial Motor Torque
85% 92% Maximum
71% 84% —
56% 75% —
45% 67% Default Value
36% 60% —
33% 57% Wye-Delta Equivalent
27% 52% —
19% 44% Minimum for Current Limit
14% 37% —
9% 30% —
1% 10% Minimum
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