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Elements and Performance Criteria

1. Verify fault
   • Normal performance and function of inverter system equipment is ascertained by consulting appropriate personnel and reference sources, in accordance with workplace procedures
   • Fault indicators, technical information and diagnostic techniques are used to verify reported faults, in accordance with workplace procedures
   • Faults are reproduced and monitored, if possible, in accordance with workplace procedures
   • Isolations are confirmed, where appropriate, in accordance with workplace procedures
   • Equipment components, wires and terminations are inspected for faults, in accordance with workplace procedures
   • Diagnostic techniques are selected and used, in accordance with workplace procedures
   • Components are disconnected to enable accurate test measurements of suspected faulty components, without concern of back feed readings, in accordance with workplace procedures
   • Test and measurement instruments are used, in accordance with workplace procedures and manufacturers' instructions
2. Repair fault
   • Isolations are confirmed, where appropriate, in accordance with workplace procedures
   • Faulty, worn or damaged components are replaced or repaired, in accordance with workplace procedures
   • Parts and components are selected and used, in accordance with manufacturers' specifications and workplace procedures
   • Inverter system components are disconnected for testing and are reconnected having been proven free of faults, and all terminations are then checked to ensure they are electrically and mechanically sound, in accordance with workplace procedures
   • Faults are repaired, in accordance with workplace procedures
   • Final inspection is performed, in accordance with workplace procedures
3. Complete work
   • Work is completed and appropriate personnel are notified, in accordance with workplace procedures
   • Work area is cleared of waste, cleaned, restored and secured, in accordance with workplace procedures
   • Tools and equipment are maintained and stored, in accordance with workplace procedures
   • Work completion details are finalised, in accordance with workplace procedures
4. Plan and prepare for work
   • Requirements including scope of work and assigned roles are identified and confirmed with appropriate personnel or by site inspection, in accordance with workplace procedures
5. Work, Health and Safety (WHS)/Occupational Health and Safety (OHS) regulations, legislative requirements, industry standards, codes of practice, manufacturers’ specifications, environmental obligations and workplace procedures are reviewed in preparation for work
6. Resources are obtained and inspected for compliance with job specifications
7. Relevant plans, drawings and manuals are selected and used, in accordance with workplace procedures
8. Correct quantity of materials and components for work are obtained and inspected for compliance with job specification
9. Work is planned, sequenced and prioritised, in accordance with workplace procedures
10. Potential hazards are identified and risk control measures are selected and implemented, in accordance with workplace procedures
11. Work area is prepared, in accordance with workplace procedures
    • Normal performance and function of inverter system equipment is ascertained by consulting appropriate personnel and reference sources, in accordance with workplace procedures
12. Fault indicators, technical information and diagnostic techniques are used to verify reported faults, in accordance with workplace procedures
13. Faults are reproduced and monitored, if possible, in accordance with workplace procedures
    • Isolations are confirmed, where appropriate, in accordance with workplace procedures
14. Equipment components, wires and terminations are inspected for faults, in accordance with workplace procedures
15. Diagnostic techniques are selected and used, in accordance with workplace procedures
16. Components are disconnected to enable accurate test measurements of suspected faulty components, without concern of back feed readings, in accordance with workplace procedures
17. Test and measurement instruments are used, in accordance with workplace procedures and manufacturers' instructions
18. Determine cause of fault
    • Appropriate personnel are consulted to obtain details relating to faulty system, in accordance with workplace procedures
19. Use is made of information from fault indicators and maintenance records, in accordance with workplace procedures
20. Conclusions about nature and cause of fault are reached from analysis of available evidence, in accordance with workplace procedures
    • Isolations are confirmed, where appropriate, in accordance with workplace procedures
21. Faulty, worn or damaged components are replaced or repaired, in accordance with workplace procedures
22. Parts and components are selected and used, in accordance with manufacturers' specifications and workplace procedures
23. Inverter system components are disconnected for testing and are reconnected having been proven free of faults, and all terminations are then checked to ensure they are electrically and mechanically sound, in accordance with workplace procedures
24. Faults are repaired, in accordance with workplace procedures
25. Final inspection is performed, in accordance with workplace procedures
    • Work is completed and appropriate personnel are notified, in accordance with workplace procedures
26. Work area is cleared of waste, cleaned, restored and secured, in accordance with workplace procedures
27. Tools and equipment are maintained and stored, in accordance with workplace procedures
28. Work completion details are finalised, 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.

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