Unit of competency Outline

Date retreived
23/07/2026 6:58 AM AWST

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Find and rectify faults in three phase motors and associated controls

Find and rectify faults in three phase motors and associated controls

Unit of competency
National Code
UEERA0045
State Code
ODJ72
TGA Status
Current
DTWD Status
Approved
Current Release Number
1.00
Current Release Date
05/10/2020
View on TGA
State Implementation and Classification
Approved Date
12/07/2021
Field of Education
031315 - Refrigeration And Air Conditioning Mechanics
Original Release Date
12/07/2021
Nominal Hours
27
Description
This unit involves the skills and knowledge required to find and repair faults in motors and associated controls connected to three phase, 415 volts (V) supply, in refrigeration and air conditioning systems.It includes working safely, using fault-finding procedures, conducting repairs to motor and associated control components, and completing required service documentation. The skills and knowledge in this unit will be applied by refrigeration and air conditioning technicians during the commissioning and repair of refrigeration and air conditioning systems.To undertake this unit, the learner must have a current Trainee Refrigerant Handling Licence as it includes work on refrigeration and air conditioning equipment that carries the risk of a fluorocarbon refrigerant being emitted. The skills and knowledge described in this unit require a national Refrigerant Handling Licence as it includes work on refrigeration and air conditioning equipment that carries the risk of a fluorocarbon refrigerant being emitted while decanting the refrigerant or manufacturing, installing, commissioning, servicing, maintaining or decommissioning refrigeration and air conditioning equipment. The skills and knowledge described in this unit require a licence or permit to practice in the workplace where work is carried out on electrical installations which are designed to operate at voltages greater than 50 V alternating current (a.c.) or 120 V direct current (d.c.).Competency development activities in this unit are subject to regulations directly related to licensing. Where a licence or permit to practice is not held, a relevant contract of training, such as an Australian Apprenticeship, is required.Additional and/or other conditions may apply in some jurisdictions subject to regulations related to refrigeration, air conditioning and electrical work. Practice in the workplace and during training is also subject to work health and safety (WHS)/occupational health and safety (OHS) regulations.
Notes
Elements and Performance Criteria
1 Prepare to find and rectify faults in three phase motors and associated controls
  • 1.1 WHS/OHS hazards, risk control methods, relevant industry standards, codes of practice and legislation are obtained and applied in accordance with workplace procedures
  • 1.2 Work details are determined from documentation and/or supervisor to establish scope of work to be completed in accordance with workplace procedures
  • 1.3 Supervisor is consulted to ensure work is coordinated with others in accordance with workplace procedures
  • 1.4 Tools, equipment and testing devices to locate faults are obtained and checked for operational safety in accordance with workplace procedures
2 Find and repair faults in three phase motors and associated controls
  • 2.1 Need to test and measure live work is determined in accordance with workplace procedures and WHS/OHS requirements
  • 2.2 Equipment is checked and isolated in accordance with workplace procedures, regulatory requirements and WHS/OHS requirements
  • 2.3 Fault finding, using measured and calculated values of circuit and/or motor parameters, is undertaken in accordance with workplace procedures and regulatory requirements
  • 2.4 Repair work is carried out in accordance with manufacturer specifications and workplace procedures
  • 2.5 Repair work is tested in accordance with workplace procedures
  • 2.6 Apparatus is reassembled, tested and prepared for return to service in accordance with workplace procedures and regulatory requirements
  • 2.7 Unexpected situations are resolved in accordance with workplace procedures, safety guidelines and with the approval of an authorised person/supervisor
  • 2.8 Fault-finding and repair activities are completed without damage to apparatus, circuits, the surrounding environment and/or services using relevant sustainable energy practices in accordance with workplace procedures
3 Complete and report on fault-finding and repair of three phase motors and associated controls
  • 3.1 WHS/OHS work completion risk control measures and procedures are applied in accordance with workplace procedures
  • 3.2 Worksite and equipment are cleaned and made safe in accordance with workplace procedures
  • 3.3 Supervisor is notified of completion of work in accordance with workplace procedures
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