Siemens SENTRON 3VA27 - Page 194

L S I G

Alarm / status Measure / comment
Flashing fast
(2 Hz)

Flashing fast
(2 Hz)
 Temperature alarm Lower the ambient
temperature or
reduce the continuous
operating current.
On
   Pre-alarm L, power
󹪞ow is greater than
90% of the threshold
value

On
   Circuit breaker has
been tripped by the L
release
Clear faults in the pow‐
er system and close the
circuit breaker again.

On
  Circuit breaker has
been tripped by the S
release
Clear faults in the pow‐
er system and close the
circuit breaker again.
 
On
 Circuit breaker has
been tripped by the I re‐
lease
Clear faults in the pow‐
er system and close the
circuit breaker again.
  
On
Circuit breaker has
been tripped by the G
release
Clear faults in the pow‐
er system and close the
circuit breaker again.
Flashing fast
(2Hz)
   Threshold has been ex‐
ceeded, tripping delay
is elapsing
Reduce rated current
(disconnect loads)
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.
Operation
6.2Alarms
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03 193