ABB SACE Emax 2 Instructions Manual page 38

Emax low voltage air circuit-breakers e1.2-e2.2-e4.2-e6.2
Table of Contents

Advertisement

36 | © 2023 ABB | 1SDH001316R1002 - ECN000297030
Continued from the previous page
Faults
Measurements incorrect or
absent (current, voltage, etc)
The expected trip does not
occur
Opening data not displayed
The PIN is not required
Impossible to change any of the
parameters
The language cannot be
changed
PIN error
Communication problems
with Ekip Com, Ekip Link, Ekip
Signalling or Ekip CI
State of CB Position field not
aligned with circuit-breaker
position
Circuit-breaker fails to react
to opening/closing command
from Ekip Touch
TRIP fail signaling: Trip Fail
command (BF)
Possible causes
Current below the minimum
threshold that can be displayed
Incorrect frequency setting
Harmonic distortion and/or
crest factor off range
Incorrect connection between
isolation transformer and
Measurement module
Rated voltage parameter
setting Error
Trip excluded
No auxiliary power supply and/
or battery low
The PIN has been disabled or
has already been entered in the
same programming session
Trip unit in alarm condition
Trip unit set remotely
The circuit-breaker is not open
One of the possible power
supplies is not present
PIN wrong or lost
Circuit-breaker in withdrawn
position, Vaux absent or
modules not inserted properly
Absence of Ekip Com or Ekip
Link modules, or contact S75I
The connections or supplies of
the opening/closing actuators
are not correct
Absence of auxiliary power
supply to Ekip Touch
Circuit-breaker is in a condition
which fails to enable the
selected command
One or more of the following
conditions:
• Trip coil not working
• status contacts not working
• faulty internal wiring
1 - Ekip Touch maintenance and troubleshooting
ABB | SACE Emax 2
Suggestions
Correct operating condition.
Set frequency
Correct operating condition.
Check connections between
isolation transformer and
Measurement module
Set the correct parameters
Correct operating condition.
Enable trip if necessary
Correct operating condition.
Operating condition correct;
consult chapter relating to the
PIN
Correct operating condition.
Set it in local mode
Open the circuit-breaker
Power the trip unit with Vaux,
Ekip T&P or Ekip TT
Contact ABB or consult
document 1SDH001501R0001
Insert modules, set circuit-
breaker to Connected position,
connect Vaux
Check for presence of Ekip
Com or Ekip Link modules and
connect contact S75/I
Check connections and supplies
Check supplies and status of
Power LEDs
Check circuit-breaker
documentation and cases that
fail to enable command
1. If closed, open CB in the
manual mode and check
changed status.
2. Press iTest, check that the
signal has disappeared from
the display and the general
status of the alarms.
3. Check the conditions of the
wiring and internal contacts
4. Working in safety conditions,
close the CB and perform a trip
test via the trip unit
Contact ABB if problems persist
Management operations

Advertisement

Table of Contents
loading

Table of Contents