Siemens SENTRON 3WL10 - Page 208

Operation
6.2 Alarms
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
206 Manual, 10/2018, L1V30499596002-01
L
S
I
G
Alarm / status
Measure / comment
Flashing fast
(2 Hz)
Installation error Check and correct the
installation.
Flashing slowly
(0.5 Hz)
Circuit breaker in un-
defined or faulty state
Check the position of
the circuit breaker in
the guide frame; check
the functioning of the
modules signaling the
main contacts.
Flashing slowly
(3 x 0.5 Hz) with
3 s pause
Maintenance necessa-
ry
Perform maintenance.
5 x flashing fast
(5 x 2 Hz)
Battery of the connec-
ted test
device almost empty
(in self-test)
Insert battery.