ABB SACE Emax 2 Installation, Operation And Maintenance Instructions For The Installer And The User
Also see for Emax E1.2: Retrofitting guideManualInstallation, operation and maintenance instructions for the installer and the user
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ABB | SACE Emax 2Putting into service and maintenance | 2 - Identification of alarms or failures95 | © 2017 ABB | 1SDH000999R0002 - ECN000058721 - Rev. BFaults, causes and remedies The following is a list of possible fault situations, their possible causes and suggestions for resolving them.NOTE: Before consulting the table, check the error messages on the display. If the suggestionsindicated fail to resolve the problem, contact the ABB Assistance Service supplying, if possiblesupplying the report produced by the Ekip Connect software.Faults Possible causes SuggestionsThe circuit-breakerdoesn't close when theclosing pushbutton ispressedThe trip signal of the protection tripunit has not been resetPress the TU mechanical resetpushbutton or operate the electricalreset remotely.The open-position key lock orpadlock is activatedUnlock the lock in open position usingthe relevant keyThe circuit-breaker is in anintermediate position betweenconnected and isolated for testor between isolated for test anddisconnectedComplete the rack-in operationThe undervoltage coil is not energized Check the power supply circuit andthe power supply voltageThe opening coil is permanentlyenergized Correct operating condition.The trip unit pushbutton is pressed(withdrawable version) Rotate the crank to completeThe circuit-breakerdoesn't close when theclosing coil is poweredThe trip signal of the protection tripunit has not been reset Press the TU Reset buttonThe power supply voltage of theauxiliary circuits is too lowMeasure the voltage: it should not belower than 70% of the rated voltageof the coilThe power supply voltage is differentfrom that indicated on the rating plate Check the voltage on the rating plateThe cables of the coil are not insertedcorrectly in the terminalsMake sure there is continuity betweencable and terminal and if necessaryreconnect the cables of the coil to theterminalsThe connections in the power supplycircuit are wrongCheck the connections using therelevant wiring diagramThe closing coil is damaged Replace the coilThe operating mechanism is blockedPerform the closing operationmanually; if the fault persists contactABBThe open position key lock isactivatedUnlock the lock in open position usingthe relevant keyThe circuit-breaker is in anintermediate position betweenconnected and test or the trip unitpushbutton is pressed (withdrawableversion)Complete the rack-in operationThe undervoltage coil is not energized Make sure that undervoltage coil isenergized properlyThe opening coil is permanentlyenergizedCorrect operating condition. Ifnecessary, disconnect the power fromthe opening coilThe racking out crank handle isinserted (withdrawable version) Remove the crankThe circuit-breakerdoesn't open when theopening pushbutton ispressedThe operating mechanism is blocked Contact ABBContinued on the next page |
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