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Fault Finding and Diagnostics for Programmable Logic Controllers (PLCs) training

Automated factory systems are wide spread throughout industry and cover a huge variety of operations in all sorts of production line applications.  Control of these production lines and associated systems that provide inputs to the finished product are complex and require both operators and maintenance personnel to have a good understanding of how they work.

This three-day introduction to troubleshooting and fault diagnostics for programmable logic controllers (PLCs) at our Technology Hub in Aston, Birmingham will show delegates learn how to undertake routine diagnostics using the PLC to fault find machine and system breakdowns.

Course content

During the course the delegates will cover the following subject areas.

  • Hardware and software faults
  • Changing the battery
  • Changing input and output modules
  • Identifying PLC and networking faults
  • Checking programme defect blocks
  • Checking hardware and diagnosing faults
  • Clearing memory and download programs 
  • Checking software against latest copy
  • Monitoring programs effectively
  • Understanding basic ladder programs
  • Searching for specific operands and instructions
  • Carry out I/O checks
  • Checking and creating monitor tables
  • Calling up reference data to assist with software diagnostics
  • Creating back-ups of PLC programmes


Delegates do not need any prior knowledge of PLC systems but ideally will be familiar with PLC control systems and operations.
The course runs over 2 days and covers some underpinning theory and practical work on how to identify and prevent causes of PLC failure, as well as how to implement safe working practices around PLC controlled and electrical systems, and use some fault finding techniques such as the FCR (fault cause remedy) approach.


Whilst there is no formal assessment on this course, delegates will need to demonstrate a basic working knowledge and understanding PLC controls and that they can work safely. On successful completion of the course, delegates will receive a certificate of attendance.  Performance feedback can be provided to the Customer if required.

More details

Career progression:

By the end of this course the delegates will have developed a basic understanding of PLCs, how to undertake troubleshooting of systems, the safe maintenance and effect simple fault finding and diagnostics of PLC systems.


Why Choose Make UK to Study?

Make UK Environmental, Health & Safety team are dedicated to improving EHS knowledge and performance in individuals and companies across the UK. Our trainers are professional consultants with industry recognized qualifications and practical experience.

For your convenience, costs quoted are inclusive of tuition, course materials, assessment, and certificate, which is awarded for successful completion of the qualification.


Member pricing breakdown

*Member price = £710 + VAT - Member discount applies to Make UK Members, and subscribers to our EHS or HR & Legal support packages (discount applied upon booking)