ABB SACE Emax 2 Instructions Manual page 37

35 | © 2023 ABB | 1SDH001316R1002 - ECN000297030
Continued from the previous page
Faults Possible causes
The cables of the gearmotor are not
inserted correctly in the terminals
It is not possible to
The connections of the power supply
charge the closing
circuit are wrong
springs by means of
The circuit-breaker is in disconnected
the gearmotor
position
The gearmotor protection internal
fuse has tripped
The gearmotor is damaged
It is not possible to
press the button in
order to insert the The circuit-breaker is closed
racking out crank
handle
The racking-in/racking-out operation
It is not possible to
is not performed correctly
insert the moving
The moving part is incompatible with
part in the fixed part
the fixed part
It is not possible The opening pushbutton is not being
to lock the circuit- pressed
breaker in the open
The lock in open position is defective Contact ABB
position
Trip coil is not connected properly
It is not possible to
CB trip signal has not been reset
perform the trip test
The busbar current is greater than
zero
It is not possible
to remove the
circuit-breaker from Fail Safe lock active
the disconnected
position
Wrong threshold/time/curve selected Correct parameters
Thermal memory enabled
Trip times different
than expected
Zone selectivity enabled
Incorrect neutral selection
Rapid trip with I3
linst trip
= Off
Incorrect selection of the sensor
High ground-fault
current, but no trip
Function G inhibited owing to high
occurs
current
No auxiliary supply or currents lower
Display off and/or
than minimum turn-on values
not backlit
Temperature outside range
ABB | SACE Emax 2
Suggestions
Make sure there is continuity
between cable and terminal and if
necessary reconnect the cables of the
gearmotor to the terminals
Check the connections using the
relevant wiring diagram
Switch the circuit-breaker to the test
or connected position
Replace the fuse
Replace the gearmotor
Press the opening pushbutton in
order to allow the insertion of the
crank with the circuit-breaker open
See the document 1SDH002013A1001
Check the compatibility between the
moving part and the fixed part
Press the opening pushbutton and
activate the lock
Check Trip coil connection and
messages on display
Press the reset pushbutton
Correct operating condition.
Discharge the closing springs of the
command
Disable it if it is not necessary
Disable it if it is not necessary
Modify the neutral selection
Correct operating condition with
short circuit at high current
Set internal or external sensor
Correct operating condition (see use
cases in the chapter that describes
the protection)
Correct operating condition.
Correct operating condition.
Continued on the next page
Management operations
1 - Ekip Touch maintenance and troubleshooting