UEEIC0018 — Diagnose and rectify faults in digital controls systems

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What an assessment for UEEIC0018 must cover

151 assessable components: 3 elements (21 performance criteria), 15 performance evidence and 115 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Prepare to diagnose and rectify faults

1.1Work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures are identified and applied.
1.2Hazards are identified, risks are assessed and control measures implemented
1.3Safety hazards not previously identified are reported on job safety assessment and advice on risk control measures is sought from relevant person/s
1.4Extent of work is determined from reports, other documentation and discussions with appropriate person/s
1.5Appropriate person/s are consulted to ensure work is coordinated effectively with others
1.6Tools, equipment and testing devices required for diagnosing faults are obtained in accordance with workplace procedures and checked for correct operation and safety

2 Diagnose and rectify faults

2.1WHS/OHS risk control measures and procedures for carrying out the work are followed
2.2Need to test or measure live electrical components is determined in accordance with workplace procedures
2.3Circuits/machines/plant are checked and isolated in accordance with workplace procedures
2.4Logical diagnostic methods are applied to diagnose electronic control system apparatus faults by employing measurements and estimations of system operating parameters
2.5Scenarios are tested as suspected cause of system faults
2.6Fault causes are identified and relevant person/s engaged where fault is outside scope of digital subsystems
2.7Faults in electronic components of control system are rectified
2.8System is tested and verified as operating to specified job requirements
2.9Unplanned situations are responded to in accordance with workplace procedures in a manner that minimises risk to personnel and equipment
2.10Methods for dealing with unplanned situations are selected based on safety and specified work outcomes
2.11Diagnosis and rectification work activities are performed using sustainable energy principles and practices without wasting materials, damaging apparatus, the surrounding environment or services

3 Complete and report fault diagnosis and rectification activities

3.1WHS/OHS work completion risk control measures and workplace procedures are followed
3.2Worksite is made safe in accordance with workplace safety procedures
3.3Rectification of faults is documented in accordance with workplace procedures
3.4Relevant person/s is notified of system fault rectification in accordance with workplace procedures

Performance evidence

applying logical diagnostic methods
applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including implementing risk control measures
applying sustainable energy principles and practices
completing and reporting fault diagnosis and rectification activities
dealing with unplanned events/situations in accordance with workplace procedures in a manner that minimises risk to personnel and equipment
diagnosing and rectifying faults
documenting fault rectification
identifying faults, causes and rectification methods
isolating circuits/machines/plant
obtaining tools, equipment and testing devices
preparing to diagnose and rectify faults
rectifying faults in digital subsystems
testing and measuring live electrical components
using scenarios to test causes of system faults
verifying system operates as intended.

Knowledge evidence

digital control systems, including:
comparison between analogue and digital signals
advantages of digital control systems
digital/analogue control system
logic gates
truth tables
digital testing devices
numbering systems, including:
the binary number system
the octal number system
the hexadecimal number system
binary addition and subtraction
conversion between numbering systems
binary coded decimal (BCD)
Gray code
the American Standard Code for Information Interchange (ASCII)
combinational logic networks, including:
precautions when handling electronic devices due to electrostatic discharge (ESD)
truth tables
basic operation and characteristics of logic devices
logic probes
verification of operation of logic circuits
logic families and specifications, including:
logic families and specifications
transistor-transistor logic (TTL)
complementary metal oxide silicone (CMOS) logic families
the unit load concept
specifications and features of TTL, TTL low power Schottky (LS) and CMOS logic families
three state and open collector logic
input and output voltage characteristics for CMOS and TTL
comparison of TTL with CMOS logic families
unit load
noise margin
interfacing different logic families
tri-state logic devices
encoders and decoders, including:
weighted and unweighted codes
Gray
BCD
ASCII
half and full adder
error detection
decoder and encoder integrated circuits
multiplexer and demultiplexer integrated circuits
flipflops, including:
RS flipflops
D flipflops
JK flipflops
truth tables and operation
debouncing a switch
timing diagrams
sequential logic
state tables and timing diagrams
registers, including shift registers and data latches
counters, including:
ripple counters using JK flipflops
typical integrated circuit types
characteristics and operation
ripple counters
use of feedback to modify count
circuit verification of a ripple counter
synchronous counters
series and parallel data transfer
multivibrators
interconnecting digital circuits to perform an application
digital-to-analogue (D/A) conversion, including:
industrial applications of D/A converters
summing D/A converters
R-2R D/A converters
verification of circuit operation of an IC D/A converter
analogue-to-digital (A/D) conversion, including:
industrial applications of A/D converters
digital ramp, dual slope, successive approximation and simultaneous (flash) A/D converters
verification of circuit operation of an IC A/D converters
display devices, including:
liquid-crystal display (LCD) devices
light-emitting diode (LED) devices.
operation and characteristics
seven segment LED displays
drive requirements
current limiting
multiplexed displays
seven segment encoding chips
emerging display technologies
digital fault finding, including:
general fault-finding principles
common digital faults
digital test equipment
locating a fault
interfacing logic devices to external loads, including:
interfacing with a transistor
interfacing with a relay
solid state switches
opto-isolator
verification of circuit operation of an opto-coupler
programmable logic devices, including:
programmable logic devices
applications of programmable logic devices
types of programmable logic devices
comparison between different programmable logic devices
programmable array logic (PAL)
programmable logic devices (PLD)
field programmable gate arrays (FPGA)
programming and verifying correct operation of a programmable array logic device
relevant job safety assessments or risk mitigation processes, including risk control measures
relevant manufacturer specifications
relevant WHS/OHS legislated requirements
relevant workplace documentation
relevant workplace policies and procedures
sustainable energy principles and practices
system testing and verification techniques
diagnostic methods including digital fault finding, including:
diagnostic tools, equipment and testing devices
digital control systems, including comparison between analogue and digital signals
numbering systems, including binary number system, octal number system and hexadecimal number system.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing UEEIC0018

What does an assessment tool for UEEIC0018 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEEIC0018 needs to address all 151 unit components: 3 elements with 21 performance criteria, 15 performance evidence requirements, 115 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for UEEIC0018?

Auditori pulls the current release of UEEIC0018 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for UEEIC0018 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEEIC0018 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of UEEIC0018, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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