Siemens SENTRON 3WL10 Manual page 210

Operation
6.2 Alarms
Warning displays
Warning display 1
On
208
Warning display 2
Flashing fast
(2 Hz)
Alarm / status
Pre-alarm L, power flow is grea-
ter than 90 % of the setting value
I
r
Temperature alarm
Contact erosion > 80%
Line frequency outside the tole-
rance
I warning
n_pal
A warning is pending
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Measure / comment
Lower the ambient temperature
or reduce the continuous opera-
ting current.
Prompt maintenance and re-
placement of the circuit breaker
required
Check possible interference fac-
tors.
Pre-alarm threshold has been
exceeded.
Press the control key "i Test" to
display a list of warning messa-
ges on the display.
You can read what action to take
in response to which alarm in the
table "LED displays of the protec-
tion releases" (ETUs of the 3-
series).
Manual, 10/2018, L1V30499596002-01