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Elements and Performance Criteria

  1. Determine job requirements
  2. Prepare to troubleshoot systems and equipment
  3. Troubleshoot systems and equipment and localise fault conditions
  4. Repair/replace faulty condition/component
  5. Functionally test instrumentation equipment/components

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Tests include one or more of the following:

determining the correct operational function of electrical, electronic, mechanical, fluid power systems, equipment, components and associated items

tests conducted under:

normal

extreme

overload

environmental conditions using hardware and software techniques

Equipment includes one or more of the following:

process machines

temperature control systems

sterilisation units

water cooling/filtration systems

equipment utilising mechanical, pneumatic/electro-pneumatic or electronic (analog/digital) principles

associated instruments measuring variables, including level, pressure, light, flow, current, resistance, voltage, density and temperature

Components include one or more of the following:

sensors

transmitters

converters

indicators

analysers

controllers

transducers

power supplies

removable circuit boards

sensor units associated with determining/controlling density, level, flow, temperature and composition of a range of materials

Test equipmentincludes one or more of the following:

system calibrators

manometers

dead weight testers

wheatstone bridge

potentiometers

frequency/signal generators

logic probes

multimeters (analog/digital)

test gauges

cathode ray oscilloscopes (CROs)

other associated equipment

Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria on at least two (2) occasions and include:

following work instructions, SOPs and safe work practices

identifying and interpreting specifications, drawings, manufacturer manuals, history files and maintenance and repair records, and other applicable reference documents and obtaining relevant data with respect to troubleshooting instrumentation systems/equipment

isolating instrumentation system/equipment in accordance with procedures

checking and verifying the operational functions of the instrumentation system/equipment, including reading/recording and interpreting built-in fault indicators and error codes

conducting appropriate tests to establish fault condition using applicable test equipment using hardware and software techniques

repairing fault condition to meet specification requirements

isolating and removing faulty major component and selecting replacement item from appropriate sources

undertaking appropriate tests on instrumentation system/equipment in accordance with SOPs

verifying system to meet operational requirements

completing all documentation in accordance with SOPs.

Knowledge Evidence

Evidence required to demonstrate the required knowledge for this unit must be relevant to and satisfy the requirements of the elements and performance criteria and include knowledge of:

safe work practices and procedures and use of PPE

instrumentation principles controlling density, level, flow, temperature and composition of a range of materials

effects of resistance, capacitance, inductance and impedance (R,L,C) upon electrical circuit

interpretation requirements of schematic, wiring and block diagrams and circuits

principles of hydraulic, pneumatic and electrical flow

purpose/operational function of instrumentation system

equipment and techniques to be used to test instrumentation systems and equipment, including the use of specialised test equipment

procedures for running built-in test functions and recording identified faults

functional tests to be carried out under normal, extreme, overload and environmental conditions

specifications of each instrumentation system and acceptable deviations from specifications

correct operation of the instrumentation system, including the procedures for isolating instrumentation systems

range of faults in instrumentation system/equipment components

variations between test results and operational specifications

probable causes of faults in instrumentation system/equipment components and action to be taken to rectify the causes of faults

sequence of events to be undertaken to correct faults in the instrumentation system/equipment components

difference between real and potential faults

function and procedural checks on instrumentation systems/equipment.