120 6LE008146B
Alarm management
7.8 System alarms
Following a malfunction, the system alarms display a message pop-up on the sentinel Energy
display and the panel display as shown below.
They indicate operating faults in the trip unit.
They can be of two types:
- critical: this is a serious malfunction. The trip unit is no longer capable of performing its
protection function,
- non-critical: the incident has no eect on the protection function.
Critical system alarms require acknowledgement of the corresponding HWF protection alarm
message window according to the setting of the HWF alarm parameter.
Critical system alarms on the sentinel Energy display
Case of HWF alarm set to "Trip"
Step/Action Button Display
1 When the HWF alarm is
set to trip, the following
ashing message pop-up
appears.
TRIP
2 Briey press the trip unit's
OK button to hold the pop-
up and display the system
alarm code generated by
the malfunction.
E003
12/12/2022 - 18:24:05
HWF
3 Do a long press on the
OK button for more than 3
seconds to acknowledge
and close the message
after having resolved the
trip fault.
In this example the error E003 is caused by the current sensor L3 being out of service.
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