Operation
6.2 Alarms
Air circuit breaker 3WL10
164
Manual, 11/2017, L1V30499596002-01
L
S
I
G
Alarm / status
Measure / comment
Flashing fast
(2 Hz) with 2 s
pause
Parameter error, rotary
coding switch in wrong
position
Check and correct:
•
I
r
< I
sd
or I
sd
< I
i
•
I
u
< (2 x I
n
x I
r
) if
I
N
= 200 %
•
I
g
> 0.25 x I
n
with a
rating plug for
400 A;
otherwise
I
g
> 0.2 x I
n
Flashing fast
(2 Hz)
Installation error
Check and correct the
installation.
Flashing slowly
(0.5 Hz)
Circuit breaker in
undefined 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
necessary
Perform maintenance.
5 x flashing fast
(5 x 2 Hz)
Battery of the
connected test
device almost empty
(in self-test)
Insert battery.
Summary of Contents for SENTRON 3WL10
Page 1: ......
Page 2: ......
Page 8: ...Table of contents Air circuit breaker 3WL10 6 Manual 11 2017 L1V30499596002 01 ...
Page 170: ...Operation 6 3 Troubleshooting Air circuit breaker 3WL10 168 Manual 11 2017 L1V30499596002 01 ...
Page 180: ...Technical specifications Air circuit breaker 3WL10 178 Manual 11 2017 L1V30499596002 01 ...
Page 199: ...Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 197 Circuit diagrams 10 ...
Page 212: ...Circuit diagrams Air circuit breaker 3WL10 210 Manual 11 2017 L1V30499596002 01 ...
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