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Unit of competency details

MEM18045B - Fault find/repair electrical equipment/components up to 250 volts single phase supply (Release 1)

Summary

Usage recommendation:
Superseded
Mapping:
MappingNotesDate
Is superseded by and equivalent to MEM18045 - Fault find and repair electrical equipment/components up to 250 volts single phase supplySupersedes and is equivalent to MEM18045B Fault find/repair electrical equipment/components up to 250 volts single phase supply 25/Jun/2019

Release Status:
Current
Releases:
ReleaseRelease date
1 1 (this release) 01/Dec/2005

Training packages that include this unit

Qualifications that include this unit

CodeSort Table listing Qualifications that include this unit by the Code columnTitleSort Table listing Qualifications that include this unit by the Title columnRelease
MEM30405 - Certificate III in Engineering - Electrical/Electronic TradeCertificate III in Engineering - Electrical/Electronic Trade1-3 
MSM41015 - Certificate IV in Recreational VehiclesCertificate IV in Recreational Vehicles1-7 
MEM50105 - Diploma of Engineering - Advanced TradeDiploma of Engineering - Advanced Trade1-5 
MEM40105 - Certificate IV in EngineeringCertificate IV in Engineering1-4 
MSM31015 - Certificate III in Recreational Vehicle Service and RepairCertificate III in Recreational Vehicle Service and Repair1-6 
MSA20510 - Certificate II in Recreational Vehicle Service and RepairCertificate II in Recreational Vehicle Service and Repair1-5 
MSM21015 - Certificate II in Recreational Vehicle Service and RepairCertificate II in Recreational Vehicle Service and Repair1-5 
MSA40510 - Certificate IV in Recreational VehiclesCertificate IV in Recreational Vehicles1-5 
MEM30105 - Certificate III in Engineering - Production SystemsCertificate III in Engineering - Production Systems1-8 
MEM30205 - Certificate III in Engineering - Mechanical TradeCertificate III in Engineering - Mechanical Trade1-3 
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Classifications

SchemeCodeClassification value
ASCED Module/Unit of Competency Field of Education Identifier 031313 Electrical Fitting, Electrical Mechanics  

Classification history

SchemeCodeClassification valueStart dateEnd date
ASCED Module/Unit of Competency Field of Education Identifier 031313 Electrical Fitting, Electrical Mechanics  31/Aug/2006 
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Modification History

Not Applicable

Unit Descriptor

Unit descriptor 

This unit covers locating and rectifying faults in equipment and components using up to 250 V single phase power where these are disconnected from the electrical supply.

Application of the Unit

Application of the unit 

This unit covers the competencies required to locate and rectify faults in equipment and components using up to 250 V single phase power, where they are disconnected from their electrical supply. This would also typically cover plug-in appliances.

Work is performed onsite.

This unit also covers basic mechanical disconnection, dismantling and re-assembly of equipment components, enclosures, drives etc.

This unit should not be selected if Unit MEM18046B (Fault find/repair electrical equipment/components up to 1000 volts a.c./1500 volts d.c.) has been selected.

When work involves disconnection and reconnection of fixed-wired equipment, Unit MEM18049C (Disconnect/reconnect fixed wired equipment up to 1000 volts a.c./1500 volts d.c.) must also be selected.

Band :

Unit Weight :

Licensing/Regulatory Information

Not Applicable

Pre-Requisites

Prerequisite units 

Path 1 

MEM09002B

Interpret technical drawing

MEM10002B

Terminate and connect electrical wiring

MEM12002B

Perform electrical/electronic measurement

MEM12023A

Perform engineering measurements

MEM18001C

Use hand tools

MEM18002B

Use power tools/hand held operations

Employability Skills Information

Employability skills 

This unit contains employability skills.

Elements and Performance Criteria Pre-Content

Elements describe the essential outcomes of a unit of competency.

Performance criteria describe the performance needed to demonstrate achievement of the element. Where bold italicised text is used, further information is detailed in the required skills and knowledge section and the range statement. Assessment of performance is to be consistent with the evidence guide.

Elements and Performance Criteria

ELEMENT 

PERFORMANCE CRITERIA 

1. Locate fault

1.1. Equipment/component  function is determined by reference to circuit diagrams, schematics, manual and/or consultation with technical adviser.

1.2. Where required, equipment is correctly isolated from power supply.

1.3. Where appropriate, built-in fault indicators and error codes are examined and correctly interpreted, and results are recorded to standard operating procedures.

1.4. Equipment/component is checked and tested using correct and appropriate techniques , procedures, tools and test equipment .

1.5. Check and test results are correctly interpreted and, where required, verified.

1.6. Equipment/component fault is identified and localised.

1.7. Equipment/component fault/s are correctly recorded to standard operating procedures.

2. Rectify faults

2.1. Using correct and appropriate techniques, procedures, tools and equipment, equipment/component/s are repaired, replaced or adjusted to specification or manufacturers' requirements.

2.2. Equipment/component is checked and tested using correct and appropriate techniques, procedures, tools and equipment for compliance with site or manufacturers' specifications.

2.3. Where appropriate, rectifications report is recorded to standard operating procedures.

Required Skills and Knowledge

REQUIRED SKILLS AND KNOWLEDGE 

This section describes the skills and knowledge required for this unit.

Required skills 

Look for evidence that confirms skills in:

  • obtaining circuit diagrams, specifications, schematics
  • isolating electrical equipment/component from the power supply
  • tagging and checking isolated electrical equipment/component
  • locating and reading/recording built-in fault indicators
  • checking and testing electrical equipment/component for correct operation
  • verifying variations from specifications indicated by initial test results
  • identifying and localising faults in electrical equipment/ components
  • recording/reporting faults in the electrical equipment/components
  • repairing, replacing or adjusting electrical equipment/components to specification
  • referencing supplier catalogues
  • confirming that the electrical equipment/components have been returned to specification
  • recording rectification of the electrical equipment/ components

Required knowledge 

Look for evidence that confirms knowledge of:

  • operation and characteristics of active and passive components
  • basic motor operation of various types
  • function of the electrical equipment/component within the circuit
  • hazards associated with the electrical equipment/component
  • relevant regulatory requirements
  • electrical equipment/component isolation procedures
  • test equipment to be used to verify isolation of the electrical equipment/circuit
  • errors indicated by built-in devices
  • the procedures, tools, equipment and techniques to be used to test the operation of the electrical equipment/component
  • reasons for selecting the chosen tools, equipment and techniques
  • specifications of the electrical equipment/component
  • variations between test results and specifications
  • procedures for localising faults in electrical equipment/components
  • procedures for recording/reporting faults in electrical equipment/components
  • techniques/procedures for returning the electrical equipment/components to specification
  • adjustments that can be made to electrical equipment/components
  • procedures for confirming the electrical equipment/components have been returned to specification
  • procedures for recording electrical equipment/component rectifications

Evidence Guide

EVIDENCE GUIDE 

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 find/repair electrical equipment/components up to 250 V single phase supply. 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 finding/repair of electrical equipment/components up to 250 V single phase supply, 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, supervisor's reports, project work, samples and questioning. Questioning techniques should not require language, literacy and numeracy skills beyond those required in this unit of competency. 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

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.

Components 

Brushes, armatures, windings, relays, programmable controllers or other electronic switching devices

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, etc.

Unit Sector(s)

Unit sector 

Co-requisite units

Co-requisite units 

Competency field

Competency field 

Maintenance and diagnostics