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Faults, causes and remedies The following is a list of possible fault situations, their possible causes and suggestions for
247 | © 2013 ABB | 1SDH001000R0002 - L7804
resolving them.
NOTE: Before consulting the table, check the error messages on the display. If the
suggestions indicated fail to resolve the problem, contact the ABB Assistance Service
supplying, if possible supplying the report produced by the Ekip Connect software.
Faults
Possible causes
The trip signal of the protection
release has not been reset
The open position key lock is
activated
The circuit-breaker is in an
The circuit-breaker
intermediate position between
doesn't close when
connected and test
the closing push-
The under-voltage coil is not
button is pressed
energized
The opening coil is permanently
energized
The release pushbutton is
pressed (withdrawable version)
The trip signal of the protection
release has not been reset
The power supply voltage of the
auxiliary circuits is too low
The power supply voltage is
different to that indicated on the
rating plate
The cables of the coil are
not inserted correctly in the
terminals
The connections in the power
The circuit-breaker
supply circuit are wrong
doesn't close when
The closing coil is damaged
the closing coil is
powered
The operating mechanism is
locked
The open position key lock is
activated
The circuit-breaker is in an
intermediate position between
connected and test
The under-voltage coil is not
energized
The opening coil is permanently
energized
The racking out crank handle is
inserted (withdrawable version)
The circuit-breaker
doesn't open when
The operating mechanism is
the opening push-
locked
button is pressed
Suggestions
Press the push-button of the
mechanical reset or operate the
electrical reset remotely.
Unlock the lock in open position
using the relevant key
Complete the connection
operation
Check the power supply circuit
and the power supply voltage
Correct condition of operation.
Rotate the crank to complete
or the plug-in or unplugging
operation initiated
Press the reset push-button
Measure the voltage: it should
not be lower than 85% of the
rated voltage of the coil
Check the voltage on the rating
plate
Make sure there is continuity
between cable and terminal
and if necessary reconnect
the cables of the coil to the
terminals
Check the connections using the
relevant wiring diagram
Replace the coil
Perform the closing operation
manually; if the fault persists
contact ABB
Unlock the lock in open position
using the relevant key
Complete the connection
operation
Make sure that under-voltage
coil is energized properly
Correct condition of operation.
If necessary, disconnect the
power from the opening coil
Remove the crank
Contact ABB
Putting into service and maintenance | 2 - Identification of alarms or failures
ABB | SACE Emax 2
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