Maintenance And Malfunction Identification - ABB SACE Tmax XT2 User Manual

Ekip touch trip units low-voltage molded-case circuit breakers
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8 - Maintenance and malfunction identification

Introduction
The correct maintenance of the unit and connected devices ensures proper operation over time.
Maintenance operations must be carried out by expert personnel (see "Recipients" on page 4) in
accordance with safety regulations (see "Safety requirements" on page 5) and the maintenance
program.
If there are anomalies or malfunctions it is necessary to identify the cause and eliminate it before
continuing use of the unit.
Checks and
Perform the following checks:
general cleaning
1.
2.
Check
Perform the checks listed in the chapter Startup on page 14, also checking the status of wiring
Ekip Touch
and accessory modules:
Maintenance
The Ekip Touch maintenance program is carried out with varying frequency depending on the
program
installation environment:
Maintenance
frequency
1SDH002031A1002
ECN000092998
CAUTION! The identification of malfunctions must be done only by expert
electricians (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). In fact, it may be necessary to carry out isolation and dielectric tests on
a part or all of the installation.
Make sure Ekip Touch is clean, removing dust and any traces of other materials using dry,
clean rags (if necessary use mild detergents; for excessive dirt a laminate thinner like
Henkel 273471 or Chemma 18 or equivalent can be used).
Make sure that there are no foreign objects near connectors or terminals.
Alarm check
Check for presence and connection of modules (internal and external)
Check zone selectivity connections
Check the MOE-E energy storage controller
Check AUP circuit breaker status, for the removable version of the CB
NOTE: the limitations and the notes for each point in the respective paragraphs are valid
Standard environments
One year or 2000 maneuvers or
after a short circuit
Rev. B
Dusty environments
(measured dust level > 1 mg/m3)
Six months or 1000 maneuvers or
after a short circuit
SACE Tmax XT2 – XT4 | 17

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