Page 262 - Sace Emax 2 Manual for design engineers

Continued from the previous page ABB | SACE Emax 2
Faults Possible causes Suggestions
The connections or supplies of the
opening/closing actuators are not Check connections and supplies
correct
Circuit-breaker fails to react
to opening/closing command Absence of auxiliary power supply to Check supplies and status of Power
LEDs
Ekip Touch
from Ekip Touch
Circuit-breaker is in a condition Check circuit-breaker documentation
which fails to enable the selected and cases that fail to enable
command 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
One or more of the following and the general status of the alarms.
conditions:
TRIP fail signaling: Trip Fail • Trip coil not working 3. Check the conditions of the wiring
command (BF) and internal contacts
• status contacts not working 4. Working in safety conditions,
• faulty internal wiring
close the CB and perform a trip test
via the trip unit

Contact ABB if problems persist

260 | © 2020 ABB | 1SDH001330R1002 - ECN000134959 - Rev. A Alarms or failures | 1 - Identification of alarms or failures