Siemens SENTRON 3WL10 Equipment Manual page 195

Operation
6.2 Alarms
L S
Flashing slowly
(0.5 Hz)
Flashing slowly
(3 x 0.5 Hz) with
3 s pause
5 x flashing fast
(5 x 2 Hz)
Note
Other warning indications of the individual LEDs may occur in the vicinity of the ETU wake-up
threshold. Information about the wake-up threshold can be found in Chapter Description of
functions (Page 43).
194
I G Alarm / status
Circuit breaker in unde‐
fined or faulty state
Maintenance necessary Perform maintenance.
Battery of the connec‐
ted test
device almost empty
(in self-test)
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03
Measure / comment
Check the position of
the circuit breaker in
the guide frame; check
the functioning of the
modules signaling the
main contacts.
Insert battery.