List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. |
1. | Determine job requirements | 1.1. | Follow standard operating procedures (SOPs) |
1.2. | Comply with work health and safety (WHS) requirements at all times, including appropriate risk control measures |
1.3. | Use appropriate personal protective equipment (PPE) in accordance with SOPs |
1.4. | Research the nature of the fault through checking of documentation and/or consultation with appropriate person/s |
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2. | Prepare to fault find and rectify electrical circuits and equipment | 2.1. | Obtain all necessary tools, equipment and testing instruments needed to conduct fault diagnosis and repair of electrical circuits and equipment |
2.2. | Isolate and tag circuits and equipment in accordance with procedures |
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3. | Fault find and rectify electrical circuits and equipment | 3.1. | Apply diagnostic techniques to locate faults in electrical circuits and equipment, including the use of specialised test equipment |
3.2. | Dismantle equipment, where necessary, and repair/replace faulty items and reassemble using appropriate tools and equipment in accordance with manufacturer specifications and regulatory requirements |
3.3. | Test repaired electrical circuits and equipment to ensure functionality and compliance |
3.4. | Document reasons and all necessary repairs in accordance with SOPs |
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, 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.
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 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.
Assessors must:
have vocational competency in fault finding, testing and rectifying electrical circuits and equipment at least to the level being assessed with relevant industry knowledge and experience
satisfy the assessor requirements in the Standards for Registered Training Organisations 2015 and comply with the National Vocational Education and Training Regulator Act 2011 or equivalent legislation covering VET regulation in a non-referring State as the case requires.
Where possible assessment must occur in operational workplace situations. Where this is not possible or where personal safety or environmental damage are limiting factors, assessment must occur in a sufficiently rigorous simulated environment that reflects realistic operational workplace conditions. This must cover all aspects of workplace performance, including environment, task skills, task management skills, contingency management skills and job role environment skills.
Conditions for assessment must include access to all tools, equipment, materials and documentation required, including relevant workplace procedures, product and manufacturing specifications.
Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.