MEM18103 — Fault-find, test and rectify electrical circuits and equipment

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What an assessment for MEM18103 must cover

36 assessable components: 3 elements (10 performance criteria), 14 performance evidence and 12 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Determine job requirements

1.1Follow standard operating procedures (SOPs)
1.2Comply with work health and safety (WHS) requirements at all times, including appropriate risk control measures
1.3Use appropriate personal protective equipment (PPE) in accordance with SOPs
1.4Research the nature of the fault through checking of documentation and/or consultation with appropriate person/s

2 Prepare to fault find and rectify electrical circuits and equipment

2.1Obtain all necessary tools, equipment and testing instruments needed to conduct fault diagnosis and repair of electrical circuits and equipment
2.2Isolate and tag circuits and equipment in accordance with procedures

3 Fault find and rectify electrical circuits and equipment

3.1Apply diagnostic techniques to locate faults in electrical circuits and equipment, including the use of specialised test equipment
3.2Dismantle equipment, where necessary, and repair/replace faulty items and reassemble using appropriate tools and equipment in accordance with manufacturer specifications and regulatory requirements
3.3Test repaired electrical circuits and equipment to ensure functionality and compliance
3.4Document reasons and all necessary repairs in accordance with SOPs

Performance evidence

following work instructions, standard operating procedures (SOPs) and safe work practices
identifying and interpreting circuits, drawings and specifications relevant to the work to be undertaken
determining the electrical and non-electrical isolation requirements to prevent the creation of hazards linked from the loss of machine/system/process control according to established procedures
using lock out tag procedures with appropriate tags/signs
proving electrical isolation and following established safety rules prior to working on electrical equipment or wiring
ensuring all electrical equipment and tools are tested and tagged and up to date
applying methodical diagnostic techniques and using safe working practices to fault find electrical circuits and equipment
using test equipment, including the use of multimeters, cathode ray oscilloscopes (CROs), signal/function generators and power supplies in diagnosing faults in electrical circuits and equipment
taking measurements and compare the results to the calculated value
dismantling, repairing and replacing faulty components and equipment using appropriate hand and power tools and engineering techniques
carrying out electrical tests for continuity and insulation resistance tests on single and three-phase appliances and equipment
repairing faulty electrical installation circuits, components and wiring to comply with relevant standards
retesting according to regulatory and legislative requirements
documenting all reasons and remedial action taken in accordance with SOPs.

Knowledge evidence

safe work practices and procedures and use of personal protective equipment (PPE)
fault finding techniques, including: visual inspection, signal injection and measurement, half split rule and component isolation
interpreting wiring and equipment circuits, drawings and specifications
test equipment for diagnosing faults including multimeters, ammeters, voltmeters, continuity testers, wattmeters and tong testers
specialised alternating current (AC) test equipment, including: CRO and its operating features, interpreting a CRO screen, dual trace CROs and its advantage over a single trace CRO and CRO applications; signal, function generators and power supplies and their operating features and applications when fault finding AC circuits
diagnostic techniques, including testing for voltage, current, frequency, polarity, phase, circuit continuity, insulation resistance and earth continuity
wiring faults, including short circuit, open-circuit, high resistance, breakdown in insulation resistance, residual current device (RCD) tripping, transposition of conductors, earthing, loose connections and corrosion
power distribution, lighting control, signal and data, motor control and package unit control circuits
lighting faults, including switching, lamp holders, ballast, starter, capacitor, igniter, transformer, loose connections, poor contact, corrosion and lighting management systems
equipment faults in the following single-phase appliances: hand held power tools, fridges, microwaves, hot water systems, TV’s, motors, air conditioning units, air compressors, portable pumps, pedestal drills, lathes, bench grinders, motors, fans and fan motors
equipment faults in the following three-phase appliances: variable speed drives (VSDs), fan and pump motors, freezer units, welding machines, heaters, general commercial kitchen equipment, generators, air conditioning units, air compressors and air blowers
mechanical faults in motors, including bearings, fans, bent shaft, locked rotor, blocked air vents, centrifugal switches, slipping belts and environmental factors.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing MEM18103

What does an assessment tool for MEM18103 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM18103 needs to address all 36 unit components: 3 elements with 10 performance criteria, 14 performance evidence requirements, 12 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM18103?

Auditori pulls the current release of MEM18103 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM18103 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM18103 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM18103, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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