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ABB | SACE Tmax XT
Management operations | 2 - Maintenance and troubleshooting
19 | © 2019 ABB | 1SDH002039A1002 - ECN000093027 - Rev. A
2 - Maintenance and troubleshooting
Introduction
Correct maintenance of the unit and connected devices ensures they operate correctly over time
The maintenance operations must be performed by expert personnel, as required by the safety regulations
and maintenance schedule (see recipients, Safety requirements and Maintenance schedule).
If faults are discovered, find out what is causing them and eliminate them before putting the unit back into
service.
WARNING! Detecting faults must only be managed by (electrically) skilled persons
(IEV 195-04-01: person with relevant education and experience to enable him or her
to perceive risks and to avoid hazards which electricity can create), as it may be
necessary to perform insulation and dielectric tests on part or all the installation
Inspections and general
cleaning
Perform the following inspections:
• check to make sure that Ekip Touch is clean. Remove any dust and traces of other materials with a clean,
dry cloth (use a mild detergent if necessary; a laminate thinner such as Henkel 273471 or Chemma 18 or
equivalent can be used if there is a heavy coating of dirt)
• check that there are no foreign objects near the connectors or terminals
Inspection of Ekip Touch
Perform the inspections described in chapter 1 - Putting into service, including an inspection of the state or
the wiring, modules and accessories:
• verification of alarms
• check that the modules (internal and external modules) are present and connected
• check zone selectivity connections
• check the
MOE
-
E
stored energy operating mechanism
• check the circuit breaker status by means of
AUP
if the
CB
is a withdrawable version
NOTE:
the limitations and notes given for each point in the respective paragraphs are applicable
Maintenance schedule
The frequency with which Ekip Touch maintenance is scheduled differs, depending on the conditions in the
installation site:
Standard environments
Dusty environments
(level of dust measured > 1mg/m3)
Frequency of
maintenance
One year or 2000 operations or after
tripping due to short circuit
Every six months or 1000 operations or
after a short-circuit trip
Alarms displayed and
suggestions
A list of faults that may appear on the Ekip Touch display is given below along with suggestions on how to
resolve them:
Signal
Suggestions
Numerical alarm
(e.g. 30002)
Internal error; contact ABB if this typoe of error occurs
Battery low
Change the battery:
1. make sure that Trip unit is off and that CB is: Open.
2. Remove cover from front of battery compartment
3. Remove battery using a flat-head screwdriver
4. Insert a new battery. Comply with the polarity indicated on the plastic part of the
CB and close the cover
5. Press the iTEST key and check that the Power Led comes on
NOTE
:
only use batteries supplied by ABB, code 1SDA074193R1
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