ABB | SACE Tmax XT
24 | © 2020 ABB | 1SDH001821A1002 - ECN000135670 Management operations | 2 - Maintenance and troubleshooting
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Circuit-breaker in withdrawn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
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