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Elements and Performance Criteria

1. Identify electrical/electronic control system faults
   • Categorise the types of machine malfunctions due to electrical and/or electronic faults
   • Describe the effects on product quality of electrical and/or electronic faults
   • Identify possible faulty components from a circuit diagram and knowledge of the function of each component

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.
Regulatory framework	The latest version of all legislation, regulations, industry codes of practice and Australian/international standards, or the version specified by the local regulatory authority, must be used, and include one or more of the following: legislative requirements, including work health and safety (WHS) industry codes of practice and guidelines environmental regulations and guidelines Australian and other standards licence and certification requirements
Procedures	All operations must be performed in accordance with relevant procedures. Procedures are written, verbal, visual, computer-based or in some other form, and include one or more of the following: emergency procedures work instructions standard operating procedures (SOPs) safe work method statements (SWMS) formulas/recipes batch sheets temporary instructions any similar instructions provided for the smooth running of the plant
Tools and equipment	Tools and equipment include one or more of the following: programmable logic controls (PLC) and ancillaries solid-state control/switching units switches, relays and solenoids position and pressure transducers temperature controllers
Hazards	Hazards include one or more of the following: electricity incorrect/failed connections insulation failure polarity of components gas equipment malfunction/failure industrial (machinery, equipment and product) noise, rotational equipment or vibration temperature from hot surfaces and equipment test equipment unauthorised personnel other hazards that might arise
Faults	Faults may arise from non-routine causes and must be resolved by applying operational knowledge to develop new solutions, either individually or in collaboration with relevant experts to: determine faults needing action determine possible fault causes develop solutions to problems which do not have a known solution follow through items initiated until final resolution has occurred report faults outside area of responsibility to designated person Non-routine faults are unexpected faults, or variations of previous faults and include one or more of the following: loss of flow, power power failure component malfunction poor maintenance procedures regular maintenance shutdown motor failure effect on cycle time short shots loss of clamp pressure no power electronic/electrical faults analysis with PLC Operational knowledge includes one or more of the following: procedures training technical information, such as journals and engineering specifications remembered experience relevant knowledge obtained from appropriate people

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria and must include the ability to:

recognise and analyse control system faults

identify and select testing methods based on cost and time effectiveness

identify and develop maintenance requirements

propose solutions and carry out solutions within scope of authority

apply operational knowledge to non-routine problems

identify and implement corrective actions

monitor process and equipment conditions.

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Knowledge Evidence

Evidence must be provided that demonstrates knowledge of:

fundamentals of electricity and electronics

electronic circuit diagrams

principles of electronic circuit components

principles of PLC programming, troubleshooting and diagnosis

appropriate testing procedures and use of equipment for a range of equipment faults

interaction of process conditions on product quality

routine and non-routine causes of equipment failures and processes to develop solutions.

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