Apply Control Circuits Diagnostic Skills (Blended)




Duration: 24 Hours


This module is developed to enable learners to acquire knowledge and skills to carry out fault finding on control circuit systematically and safely.

Course Objective:

On completion of this module, learners will be able to apply diagnostic skills on fault finding on control circuits.

Course Outline:

The knowledge and skills covered in this module include:


  • Use control circuit and diagrams to interpret how circuits work
  • Locate the faulty components and connections in the control circuit
  • Remedy the faulty components and connections in the control circuit
  • Improve machine yields time through continual Improvement


  • Interpretation of Work Instructions
  • Functions of control components and devices
  • Application of the control devices
  • Electrical rating of control devices
  • Types of electrical protective devices
  • Functions and application of electrical devices
  • Common causes of overload
  • The type of engineering safety devices such as guard, hard stop, relieve valve
  • Types of fasteners commonly used in the workplace
  • Methods of preventing the bolt from self-loosening
  • Types of tools that determine the thread series
  • Types of optical sensors
  • Types of micro-switch
  • Common causes of sensor failure
  • Common types of fault
  • Importance of understanding of electrical diagram, mechanical diagram, pneumatic diagram, mechanical assembly drawing and component layout
  • Important of label and component locations
  • Importance of cable sizing to meet the safety requirement
  • The essentials of complete document standardisation

For Whom:

Suitable for Line or Team Leaders, Technicians, Supervisors and Engineers.

Entry Requirements:

Participants are assumed to:

  • Have completed ‘O' Level or equivalent; or
  • Have the ability of:
    • Basic knowledge of the Singapore Workplace Safety and Health requirements;
    • Follow written and oral work instructions;
    • Listen, read and write English at a proficiency level equivalent to the Employability Skills System (ESS) level 5;
    • Manipulate numbers at a proficiency level equivalent to Employability Skills System (ESS) level 5.

Training Medium:

This module is conducted in English.

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Training Methodology:

This module is delivered through e-learning, lectures, group activities and demonstration.

Assessment Methodology:

Practical and oral/written assessments are conducted at the end of the training module.


An individual who completes a module will be awarded a Statement of Attainment (SOA). If an individual completes the required number of modules at the various levels, he/she will be awarded a WSQ Qualification.

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