Unit of competency Outline

Date retreived
22/07/2026 1:32 PM AWST

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Diagnose and rectify faults in complex air conditioning/refrigeration systems

Diagnose and rectify faults in complex air conditioning/refrigeration systems

Unit of competency
National Code
UEERA0032
State Code
OBY16
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
90
Description
This unit involves the skills and knowledge required to diagnose and rectify faults in complex air conditioning/refrigeration systems.It includes working safely, interpreting technical data and applying knowledge of complex refrigeration/air conditioning system operating parameters to logical fault-finding processes. It also includes implementing fault rectification, safety and functional testing, and completing and reporting fault diagnosis and rectification activities and outcomes.To undertake this unit, the learner must have a 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 volt (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, skills and knowledge described in this unit require a relevant contract of training, such as an Australian Apprenticeship.Additional and/or other conditions may apply in some jurisdictions subject to regulations related to refrigeration, air conditioning or electrical work. Practice in the workplace and during training is also subject to work health and safety (WHS)/occupational health and safety (OHS) regulations.Permits may also be required for some work environments, such as confined spaces, working aloft, near live electrical apparatus and site rehabilitation.
Notes
Elements and Performance Criteria
1 Prepare to diagnose and rectify faults
  • 1.1 WHS/OHS requirements and procedures are identified, obtained and implemented
  • 1.2 WHS/OHS risk control measures and procedures are followed in preparation for work
  • 1.3 Hazards are monitored and any not previously identified are documented and risk control measures implemented in consultation with relevant person/s
  • 1.4 The extent of faults are determined from reports/documentation and discussions with relevant person/s
  • 1.5 Relevant person/s is consulted to ensure work is coordinated with others on the worksite
  • 1.6 Tools, equipment and testing devices required to diagnose faults are obtained and checked for correct operation and safety in accordance with workplace procedures
2 Diagnose and rectify faults
  • 2.1 WHS/OHS risk control measures and workplace procedures for carrying out the work are followed
  • 2.2 Need to test or measure live work is determined in accordance with workplace procedures and WHS/OHS requirements
  • 2.3 Circuits/machines/plant are checked as being isolated, where necessary, in accordance with workplace procedures and WHS/OHS requirements
  • 2.4 Logical diagnostic methods, measurements and estimations are applied to diagnose complex refrigeration/air conditioning system faults in accordance with system operational parameters and requirements
  • 2.5 Suspected fault sources are tested to confirm if they are the source of system problems
  • 2.6 Fault causes are identified and appropriately competent person/s engaged to rectify the fault where it is outside the scope of the refrigeration and air conditioning system
  • 2.7 Faults in system components are rectified to return refrigeration/air conditioning system to its operational standard
  • 2.8 System is tested to verify that the system operates as intended and to specified requirements and industry standards
  • 2.9 Methods for resolving unexpected situations are discussed, as required, with appropriate person/s in accordance with job specifications and requirements
  • 2.10 Methods for resolving unexpected situations are selected on the basis of safety and specified work outcomes
  • 2.11 Diagnosis and rectification activities are conducted without waste of materials, damage to apparatus, the surrounding environment and/or services using sustainable energy practices
3 Complete and report fault diagnosis and rectification activities
  • 3.1 WHS/OHS work completion risk control measures and procedures are followed
  • 3.2 Worksite is made safe in accordance with workplace safety procedures
  • 3.3 Fault diagnosis and rectification activities are documented in accordance with workplace procedures
  • 3.4 Appropriate person/s is notified that system faults have been rectified in accordance with workplace procedures
No information
No information
Replaces
State Code National Code Title Type
S7348 UEENEEJ112A Diagnose and rectify faults in complex air conditioning/ refrigeration systems Unit of competency