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Elements and Performance Criteria

  1. Locate fault
  2. Rectify fault(s)

Required Skills

Required skills

Look for evidence that confirms skills in

using diagnostic skills to identify correct and faulty operation

interpreting and using circuit diagrams specifications

isolating electrical equipmentcomponents from the power supply

tagging isolated electrical equipmentcomponents

checking electrical equipmentcomponents for isolation from the power supply

locating and readingrecording builtin fault indicators

obtaining error code interpretation documents

checking and testing electrical equipmentcomponents for correct operation

verifying variations from specifications indicated by initial test results

identifying and localising faults in electrical equipment components

recordingreporting faults in electrical equipmentcomponents

repairing replacing or adjusting electrical equipmentcomponents to specification

referencing supplier catalogues

using test instruments to confirm that electrical equipmentcomponents are operating to specification

recording rectification of the electrical equipment components

Required knowledge

Look for evidence that confirms knowledge of

function of the electrical equipmentcomponent within the circuit

hazards associated with the electrical equipmentcomponent

relevant regulatory requirements

electrical equipmentcomponent isolation procedures

test equipment to be used to verify isolation of the electrical equipmentcircuit

errors indicated by builtin devices

procedures for testing electrical equipmentcomponents for correct operation

tools equipment and techniques to be used to test the operation of the electrical equipmentcomponent

reasons for selecting the chosen tools equipment and techniques

specifications of the electrical equipmentcomponent

variations between test results and specifications

procedures for localising faults in electrical equipmentcomponents

procedures for recordingreporting faults in electrical equipmentcomponents

appropriate techniquesprocedures for returning the electrical equipmentcomponents to specification

specifications of the electrical equipmentcomponents

adjustments that can be made to electrical equipmentcomponents

procedures for confirming the electrical equipmentcomponents have been returned to specification

procedures for recording electrical equipmentcomponent rectification

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package

Overview of assessment

A person who demonstrates competency in this unit must be able to Fault findrepair electrical equipmentcomponents up to volts ac volts dc Competency in this unit cannot be claimed until all prerequisites have been satisfied

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria including required knowledge and be capable of applying the competency in new and different situations and contexts

Context of and specific resources for assessment

This unit may be assessed on the job off the job or a combination of both on and off the job Where assessment occurs off the job that is the candidate is not in productive work then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team The assessment environment should not disadvantage the candidate

This unit could be assessed in conjunction with any other units addressing the safety quality communication materials handling recording and reporting associated with fault findingrepair of electrical equipmentcomponents up to volts ac volts dc or other units requiring the exercise of the skills and knowledge covered by this unit

Method of assessment

Assessors should gather a range of evidence that is valid sufficient current and authentic Evidence can be gathered through a variety of ways including direct observation supervisors reports project work samples and questioning Questioning techniques should not require language literacy and numeracy skills beyond those required in this unit The candidate must have access to all tools equipment materials and documentation required The candidate must be permitted to refer to any relevant workplace procedures product and manufacturing specifications codes standards manuals and reference materials

Guidance information for assessment


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Equipment

Single and multi phase motor drive and heating appliances, relays, coils, transformers, thermostats, gauges, illuminating devices, switches, circuit fuses and breakers, etc. using up to 1000 volts a.c.1500 volts d.c. power supplies on non-interconnected circuits

Components

Brushes, armatures, windings, contactors, relays, programmable controllers or other electronic switching devices, switches, fuses, circuit breakers, relays, transformers, semi-conductor devices, regulators, motors, etc.

Appropriate fault finding techniques

Testing for voltage, current, frequency, polarity, phase, circuit continuity, insulation resistance, earth continuity etc.

Test equipment

Continuity testers, ammeters, voltmeters, multimeters, tong testers, wattmeters, cathode ray oscilloscopes etc.