ABB SACE Emax E4.2 - Page 291

ABB | SACE Emax 2
Alarms or failures
1 - Identification of alarms or failures
288 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
Continued from the previous page
Faults Possible causes Suggestions
It is not possible to remove
the circuit-breaker from the
disconnected position
Fail Safe lock active
Discharge the closing springs of
the command
Trip times different than
expected
Wrong threshold/time/curve
selected
Correct parameters
Thermal memory enabled Disable it if it is not necessary
Zone selectivity enabled Disable it if it is not necessary
Incorrect neutral selection Modify the neutral selection
Rapid trip with I3 = Off linst trip
Correct operating condition with
short circuit at high current
High ground-fault current,
but no trip occurs
Incorrect selection of the sensor Set internal or external sensor
Function G inhibited owing to
high current
Correct operating condition (see
use cases in the chapter that
describes the protection)
Display off and/or not
backlit
No auxiliary supply or currents
lower than minimum turn-on
values
Correct operating condition.
Temperature outside range Correct operating condition.
Measurements incorrect or
absent (current, voltage,
etc)
Current below the minimum
threshold that can be displayed
Correct operating condition.
Incorrect frequency setting Set frequency
Harmonic distortion and/or crest
factor off range
Correct operating condition.
Incorrect connection between
isolation transformer and
Measurement module
Check connections between
isolation transformer and
Measurement module
Rated voltage parameter setting
Error
Set the correct parameters
The expected trip does not
occur
Trip excluded
Correct operating condition.
Enable trip if necessary
Opening data not displayed
No auxiliary power supply and/or
battery low
Correct operating condition.
The PIN is not required
The PIN has been disabled or has
already been entered in the same
programming session
Operating condition correct;
consult chapter relating to the PIN
Impossible to change any
of the parameters
Trip unit in alarm condition Correct operating condition.
The language cannot be
changed
Trip unit set remotely Set it in local mode
The circuit-breaker is not open Open the circuit-breaker
One of the possible power
supplies is not present
Power the trip unit with Vaux, Ekip
T&P or Ekip TT
PIN error PIN wrong or lost
Contact ABB or consult document
1SDH001501R0001
Communication problems
with Ekip Com, Ekip Link,
Ekip Signalling or Ekip CI
Circuit-breaker in withdrawn
position, Vaux absent or modules
not inserted properly
Insert modules, set circuit-breaker
to Connected position, connect
Vaux
State of CB Position field
not aligned with circuit-
breaker position
Absence of Ekip Com or Ekip Link
modules, or contact S75I
Check for presence of Ekip Com
or Ekip Link modules and connect
contact S75/I
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