ABB | SACE Emax 2
94 | © 2014 ABB | 1SDH000999R0002 - L8569
Putting into service and maintenance | 2 - Identification of alarms or failures
Faults, 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 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 Suggestions
The circuit-breaker
doesn't close when the
closing push-button is
pressed
The trip signal of the protection release
has not been reset
Press the TU mechanical reset push-
button or operate the electrical reset
remotely.
The open-position key lock or pad
-
lock is activated
Unlock the lock in open position using
the relevant key
The circuit-breaker is in an intermedi
-
ate position between inserted and test
or between test and extracted
Complete the connection operation
The under-voltage coil is not
energized
Check the power supply circuit and
the power supply voltage
The opening coil is permanently
energized
Correct condition of operation.
The release pushbutton is pressed
(withdrawable version)
Rotate the crank to complete or
the plug-in or unplugging operation
initiated
The circuit-breaker
doesn't close when the
closing coil is powered
The trip signal of the protection release
has not been reset
Press the TU Reset button
The power supply voltage of the auxil
-
iary circuits is too low
Measure the voltage: it should not be
lower than 70% of the rated voltage
of the coil
The power supply voltage is different
to that indicated on the rating plate
Check the voltage on the rating plate
The cables of the coil are not inserted
correctly in the terminals
Make sure there is continuity between
cable and terminal and if necessary
reconnect the cables of the coil to the
terminals
The connections in the power supply
circuit are wrong
Check the connections using the
relevant wiring diagram
The closing coil is damaged Replace the coil
The operating mechanism is locked
Perform the closing operation manu
-
ally; if the fault persists contact ABB
The open position key lock is
activated
Unlock the lock in open position using
the relevant key
The circuit-breaker is in an intermedi
-
ate position between connected and
test or the release push-button is
pressed (withdrawable version)
Complete the connection operation
The under-voltage coil is not
energized
Make sure that under-voltage coil is
energized properly
The opening coil is permanently
energized
Correct condition of operation. If nec
-
essary, disconnect the power from the
opening coil
The racking out crank handle is
inserted (withdrawable version)
Remove the crank
The circuit-breaker
doesn't open when the
opening push-button is
pressed
The operating mechanism is locked Contact ABB
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