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SOUTH AFRICAN QUALIFICATIONS AUTHORITY 
REGISTERED UNIT STANDARD THAT HAS PASSED THE END DATE: 

Fault find and repair axle counters up to component level 
SAQA US ID UNIT STANDARD TITLE
258241  Fault find and repair axle counters up to component level 
ORIGINATOR
SGB Electrical Engineering & Construction 
PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY
-  
FIELD SUBFIELD
Field 12 - Physical Planning and Construction Electrical Infrastructure Construction 
ABET BAND UNIT STANDARD TYPE PRE-2009 NQF LEVEL NQF LEVEL CREDITS
Undefined  Regular  Level 5  Level TBA: Pre-2009 was L5  6 
REGISTRATION STATUS REGISTRATION START DATE REGISTRATION END DATE SAQA DECISION NUMBER
Passed the End Date -
Status was "Reregistered" 		 2018-07-01  2023-06-30  SAQA 06120/18 
LAST DATE FOR ENROLMENT LAST DATE FOR ACHIEVEMENT
2024-06-30   2027-06-30  

In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

PURPOSE OF THE UNIT STANDARD 
The person credited with this unit standard is able to prepare the work area for fault finding and repairing axel counters by the process of selecting the correct equipment, tools and manufacturers manuals in order to ensure that efficient testing to take place. Learners will also be able to follow methods and techniques to diagnose faults and withdraw the faulty axel counters from service where required. Learners will also be able to repair or replace the faulty axel counters components and then to reassemble and calibrate them ready for service. Learners will also be able to complete all the administrative procedures required to return the axel counters back to operational conditions and to ensure it is certified.

The qualifying learner is capable of:
  • Planning and preparing for fault finding and repairing of axel counters.
  • Diagnosing faults on axel counters.
  • Repairing the fault on the axel counters.
  • Establishing normal operational conditions for the axel counters after completion.
  • Checking integrity of the axel counter equipment and installation. 
    		•

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 
    Learners accessing this Qualification will have demonstrated competence in:
  • Mathematical Literacy at NQF Level 4 or equivalent.
  • Communication at NQF Level 4 or equivalent. 
    		•

    UNIT STANDARD RANGE 
  • Axle Counters refers to multi-section/multi-head installation.
  • Test equipment may include but is not limited to Oscilloscopes, data analysers, spectrum analysers, power supplies, logic probes, frequency counters, and digital multi-meter. 
    		•

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 
    Plan and prepare for fault finding and repairing of axel counters. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Work area is prepared for fault finding and repairing in order to enhance process. 

    ASSESSMENT CRITERION 2 
    Test equipment and tools are selected in accordance with the task requirement and specific equipment being used. 

    ASSESSMENT CRITERION 3 
    Authorised manufacturer's manuals are selected applicable to the specific axle counter to be worked on. 

    ASSESSMENT CRITERION 4 
    Safety equipment is obtained and used in accordance with worksite safety procedures. 

    ASSESSMENT CRITERION 5 
    Fault finding and repair documentation is obtained in accordance with organisational policy and procedure. 

    ASSESSMENT CRITERION 6 
    Arrangements for the withdrawal of operation of the axle counter equipment are made according to organisational policy and procedure. 

    SPECIFIC OUTCOME 2 
    Diagnose faults on axel counters. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Faulty axel counter equipment is withdrawn from service according to organisational policy and procedure. 

    ASSESSMENT CRITERION 2 
    Methods and techniques to be followed in diagnosing faults on axel counters are explained in terms of specific equipment. 

    ASSESSMENT CRITERION 3 
    Test equipment is connected and set-up according to manufacturer's instructions and specifications. 

    ASSESSMENT CRITERION 4 
    Test is performed and values are compared against values on application data sheets. 

    SPECIFIC OUTCOME 3 
    Repair the fault on the axel counter. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Faulty components in the axel counters are identified and repaired or replaced according to manufacturer's specifications in order to rectify the fault. 

    ASSESSMENT CRITERION 2 
    Axel counter is re-assembled and calibrated according to manufacturer's instructions and specifications. 

    ASSESSMENT CRITERION 3 
    Functional tests are performed on the axel counter according to manufacturer's instructions and specifications. 

    ASSESSMENT CRITERION 4 
    The consequences of not repairing the fault according to manufacturer's instructions and specifications are explained with examples of the impact on operations and safety. 

    SPECIFIC OUTCOME 4 
    Establish normal operational conditions for the axel counters after completion. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Equipment is reinstated in accordance with organisational policy and procedure. 

    ASSESSMENT CRITERION 2 
    Work area is restored and tidied in accordance with organisational policy and procedure. 

    ASSESSMENT CRITERION 3 
    Repair and fault finding documentation is finalised in accordance with organisational policy and procedure. 

    ASSESSMENT CRITERION 4 
    Test equipment and tools are stored according to organisational policy and procedure. 

    SPECIFIC OUTCOME 5 
    Check integrity of the axel equipment and installation. 

    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 
    Test procedures to be followed are explained regarding specific type of equipment under test. 

    ASSESSMENT CRITERION 2 
    Equipment is tested according to manufacturer's specifications in order to restore it to its original operational condition. 
    ASSESSMENT CRITERION RANGE 
    Equipment may be tested under either simulated or operational conditions.
     

    ASSESSMENT CRITERION 3 
    Procedures to be followed if equipment fails test is explained in order to determine action to be taken. 

    ASSESSMENT CRITERION 4 
    Equipment is calibrated according to manufacturer's specifications. 

    ASSESSMENT CRITERION 5 
    Equipment is certified in accordance with organisational policy and procedures. 


    UNIT STANDARD ACCREDITATION AND MODERATION OPTIONS 
  • An individual wishing to be assessed (including through RPL) against this unit standard may apply to an assessment agency, assessor or provider institution accredited by the relevant ETQA.
  • Anyone assessing a learner against this unit standard must be registered as an assessor with the relevant ETQA.
  • Any institution offering learning that will enable achievement of this unit standard or assessing this unit standard must be accredited as a provider with the relevant ETQA.
  • Moderation of assessment will be conducted by the relevant ETQA at its discretion. 
    		•

    UNIT STANDARD ESSENTIAL EMBEDDED KNOWLEDGE 
  • Names and functions of the Axle Counters.
  • Fault finding and repair principles and procedures (Techniques).
  • Interpret circuit diagrams.
  • Common and potential faults.
  • Characteristics and properties of systems operations.
  • Names, locations and functions of Axle Counters and their peripherals.
  • Hazards and precautions associated with the fault finding and repair of Axle Counters. 
    		•

    UNIT STANDARD DEVELOPMENTAL OUTCOME 
    N/A 

    UNIT STANDARD LINKAGES 
    N/A 


    Critical Cross-field Outcomes (CCFO): 

    UNIT STANDARD CCFO IDENTIFYING 
    Identify and solve problems pertaining to the fault finding and repair of axel counters up to component level. 

    UNIT STANDARD CCFO WORKING 
    Work effectively with others to ensure faulty axel counters are withdrawn and returned to service as and when required. 

    UNIT STANDARD CCFO ORGANISING 
    Organise and manage oneself and one's activities to ensure full and proper preparations are done before attempting to fault find, test and repair axel counters. 

    UNIT STANDARD CCFO COLLECTING 
    Collect, analyse, organise and critically evaluate information which will assist in the decision making on the diagnosing, testing and repairing of faults to axel counters. 

    UNIT STANDARD CCFO COMMUNICATING 
    Communicate effectively when making arrangements for the withdrawal of axel counters from operation and in the processing of documentation. 

    UNIT STANDARD CCFO SCIENCE 
    Use science and technology to assist in the fault finding, testing and repairing of axel counters. 

    UNIT STANDARD CCFO DEMONSTRATING 
    Demonstrate an understanding of the world as a set of related systems where the incorrect or damaged fault finding and repair of axel counters can have a negative impact on the safety of both people and operations. 

    UNIT STANDARD ASSESSOR CRITERIA 
    N/A 

    REREGISTRATION HISTORY 
    As per the SAQA Board decision/s at that time, this unit standard was Reregistered in 2012; 2015. 

    UNIT STANDARD NOTES 
  • Reinstatement refers to the certification that the equipment is restored back to its original operational state according to specifications.
  • Functional test means that the operation of the specific equipment is tested to verify that it operates as it was designed to operate.
  • The process of repairing faults on operational equipment consists of the following phases:
    > Fault finding.
    > Repairing.
    > Functional testing.
    > Re-instating. 
    		•

    QUALIFICATIONS UTILISING THIS UNIT STANDARD: 
      ID QUALIFICATION TITLE PRE-2009 NQF LEVEL NQF LEVEL STATUS END DATE PRIMARY OR DELEGATED QA FUNCTIONARY
    Core  63529   National Certificate: Railway Signalling Technology  Level 5  Level TBA: Pre-2009 was L5  Passed the End Date -
    Status was "Reregistered"     		 2023-06-30  TETA 


    PROVIDERS CURRENTLY ACCREDITED TO OFFER THIS UNIT STANDARD: 
    This information shows the current accreditations (i.e. those not past their accreditation end dates), and is the most complete record available to SAQA as of today. Some Primary or Delegated Quality Assurance Functionaries have a lag in their recording systems for provider accreditation, in turn leading to a lag in notifying SAQA of all the providers that they have accredited to offer qualifications and unit standards, as well as any extensions to accreditation end dates. The relevant Primary or Delegated Quality Assurance Functionary should be notified if a record appears to be missing from here.
     
    NONE 


    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.