Faults, Causes And Remedies - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions

Faults, causes and remedies The following is a list of possible fault situations, their possible causes and suggestions for resolving them.
94 | © 2014 ABB | 1SDH000999R0002 - L8569
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 or pad-
lock is activated
The circuit-breaker is in an intermedi-
The circuit-breaker
ate position between inserted and test
doesn't close when the
or between test and extracted
closing push-button is
The under-voltage coil is not
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 auxil-
iary 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 supply
circuit are wrong
The closing coil is damaged
The circuit-breaker
doesn't close when the
The operating mechanism is locked
closing coil is powered
The open position key lock is
activated
The circuit-breaker is in an intermedi-
ate position between connected and
test or the release push-button is
pressed (withdrawable version)
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
The operating mechanism is locked
opening push-button is
pressed
Suggestions
Press the TU mechanical reset push-
button 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 TU Reset button
Measure the voltage: it should not be
lower than 70% 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 manu-
ally; 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 nec-
essary, 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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