ABB SACE Emax 2 Series Operating Instructions Manual page 292

Low voltage air circuit-breaker
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289 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
Continued from the previous page
Faults
Circuit-breaker fails to
react to opening/closing
command from Ekip Touch
TRIP fail signaling: Trip Fail
command (BF)
Possible causes
The connections or supplies of
the opening/closing actuators are
not correct
Absence of auxiliary power supply
to Ekip Touch
Circuit-breaker is in a condition
which fails to enable the selected
command
One or more of the following
conditions:
• Trip coil not working
• status contacts not working
• faulty internal wiring
ABB | SACE Emax 2
Suggestions
Check connections and supplies
Check supplies and status of
Power LEDs
Check circuit-breaker
documentation and cases that fail
to enable command
1. If closed, open CB in the manual
mode and check changed status.
2. Press iTest, check that the
signal has disappeared from the
display and the general status of
the alarms.
3. Check the conditions of the
wiring and internal contacts
4. Working in safety conditions,
close the CB and perform a trip
test via the trip unit
Contact ABB if problems persist
Alarms or failures
1 - Identification of alarms or failures

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