ABB SACE Emax 2 - Page 38

ABB | SACE Emax 2
Management operations
1 - Ekip Touch maintenance and troubleshooting
36 | © 2023 ABB | 1SDH001316R1002 - ECN000297030
Continued from the previous page
Faults Possible causes Suggestions
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Circuit-breaker in withdrawn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
Circuit-breaker fails to react
to opening/closing command
from Ekip Touch
The connections or supplies of
the opening/closing actuators
are not correct
Check connections and supplies
Absence of auxiliary power
supply to Ekip Touch
Check supplies and status of
Power LEDs
Circuit-breaker is in a condition
which fails to enable the
selected command
Check circuit-breaker
documentation and cases that
fail to enable command
TRIP fail signaling:
Trip Fail
command (BF)
One or more of the following
conditions:
• Trip coil not working
• status contacts not working
• faulty internal wiring
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