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Elements and Performance Criteria

1. Prepare to service gas heating appliance
   • WHS/OHS hazards, risk control methods, relevant standards, codes and legislation are obtained and applied in accordance with workplace procedures
2. Extent of work to be completed is determined from service and fault requests and/or discussions with supervisor/appropriate person/s in accordance with workplace procedures
3. Advice is sought, as required, from supervisor to ensure work is coordinated with others
4. Sources of materials/parts required for work are identified in accordance with workplace procedures
5. Tools, equipment and testing devices to locate faults are obtained in accordance with workplace procedures and checked for operational safety
6. Service gas heating appliance
   • Need to test or measure live electrical work is determined in accordance with workplace procedures and WHS/OHS requirements
7. Heating appliance is checked and isolated in accordance with workplace procedures and WHS/OHS requirements
8. Safety hazards resulting from defect or fault are identified and documented, and risk control measures implemented in accordance with workplace procedures and in consultation with appropriate person/supervisor
9. Heating appliance is tested and components are inspected for wear or defects in accordance with workplace procedures and manufacturer specifications
10. Heating appliance faults and their cause are identified using measured and calculated values of appliance parameter in accordance with workplace procedures
11. Heating appliance is dismantled, where necessary, and parts safely stored to protect them against loss or damage, in accordance with workplace procedures
12. Defective, worn or faulty appliance components are rechecked and their status is confirmed
13. Replacement parts are obtained in accordance with workplace procedures
14. Effectiveness of repair work is tested in accordance with workplace procedures
15. Apparatus is reassembled, given a final test and prepared for return to service in accordance with workplace procedures
16. Unexpected situations are resolved in accordance with workplace procedures, safety guidelines and with the approval of an authorised person/supervisor
17. Servicing activities are completed without damage to apparatus, circuits, the surrounding environment and/or services using relevant sustainable energy practices in accordance with workplace procedures
18. Complete and report fault-finding and repair activities
    • Work area is cleaned and made safe in accordance with workplace procedures
19. Service report is completed and verified by an appropriate person/supervisor in accordance with workplace procedures

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the Companion Volume Implementation Guide.
Servicing heating appliances must include at least the following:	two gas heating appliances: stoves ovens hot plates ranges space heaters hot water systems four defects/faults: no pilot flame no main jet ignition not hot enough timer not working correctly electric shock received from appliance cabinet gas leaking

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least two separate occasions and include:

applying legislation, industry standards, codes of practice and regulations applying relevant work, health and safety (WHS)/occupational health and safety (OHS) requirements, including: identifying hazards implementing safe working practices using risk control measures completing and reporting fault-finding and repair activities preparing to service gas heating appliances servicing gas heating appliance, including: completing service report dealing with unplanned events/situations in accordance with workplace procedures in a manner that minimises risk to personnel and equipment determining nature of work from service request finding faults identifying defective components affecting appliance rectifying defects/faults testing appliance functions using manufacturer specifications and manuals.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

relevant legislation, industry standards, codes of practice and regulations relevant manufacturer specifications relevant risk mitigation processes, including: potential hazards risk control measures safe working practices relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures service gas heating appliances, including: component repair or replacement methods manufacturer parts catalogues and service reports types, applications, construction, components and operating characteristics of gas heating appliances encompassing ovens, cook tops and space heaters typical component wear or defects typical faults.

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