Eaton S811+N37 series User Manual

Contents

Troubleshooting42 S811+ Soft Starter MN03900001E—November 2012Define the Problem1. If the S811+ Soft Starter fails to respond in any way to a start command., look at theDigital Interface Module of the S811+ Soft Starter and determine the fault status of theunit. The following troubleshooting flowcharts provide a logical sequence to determineissues and suggest probable solutions to each problem.Start Command Troubleshooting FlowchartTroubleshooting—S811+ Does Not STARTa. With the Status LED illuminated RED, the devicewill not start. Attempt to reset the S811+ SoftStarter by pressing the S811+’s RESET button forone second. If the Status LED remains RED, usethe Digital Interface Module (DIM) to determinethe fault and fault code and go to theTroubleshooting Fault Table in Appendix I to findthe corrective action for the fault.b. If the Status LED is GREEN, the S811+ Soft Starteris ready to start. Determine the Start source intable above to aid in determining the appropriatecorrective action. Verify that the Permissive inputterminal is at 24 Vdc. Then start the S811+ theControl Input terminal block. If the S811+ doesnot start, verify that the Start input terminal is at24 Vdc.Start Source Attempted Suggested Corrective ActionDigital Interface ModuleTerminal BlockVerify that the Status LED is GREEN prior to the Start attempt.Verify that the Status LED is not RED.Verify that the 24 Vdc Permissive signal is at the proper voltage.Verify that the 24 Vdc Start signal is at the proper voltage.If the Start Control parameter is set to Edge, verify that the 24 Vdc Start signal is transitioned from 0 Vdc after a fault trip.Network Determine if the S811+ can be started locally from TB1 or the DIM.Verify that the 24 Vdc Permissive signal is at the proper voltage.Verify that the Status LED is GREEN.StartNoCheck 24 VdcPowerSupply 24 VdcPowerCheckProtectionLEDs andfault codeand attemptto clearCheck 24VPermissiveCheck 24VStart SignalAre anyLEDs Lit?24 VdcSupplyPresentIs theFault LEDLit?Is theReadyLED Lit?NoNoEndYesYesYesYesYes