Certified Ekasi Refrigerator Technician

Certified Ekasi Refrigerator Technician
Home Services Intermediate

Certified Ekasi Refrigerator Technician

Professional training in refrigerator and freezer maintenance, repair, and servicing for domestic models commonly found in township households.

Course Description

Professional training in refrigerator and freezer maintenance, repair, and servicing for domestic models commonly found in township households.

Learning Outcomes

After training, students will:
✔ Diagnose and repair common fridge faults
✔ Service and maintain refrigeration systems
✔ Handle refrigerants safely
✔ Replace compressors and components
✔ Provide professional repair services

Target Audience

Aspiring appliance technicians.
Handypersons expanding services.
Spaza shop owners.
Community repair service providers.
Anyone seeking appliance repair skills.

10 Modules
40 Lessons
25h 10m

The refrigeration cycle (evaporation, compression, condensation, expansion), heat transfer principles, and the role of refrigerant in the system.
  • 1.1 Introduction to Refrigeration: Basic Concepts and History (45 min)
  • 1.2 The Refrigeration Cycle: Step-by-Step Explanation (50 min)
  • 1.3 Heat Transfer Methods in Refrigeration (40 min)
  • 1.4 Pressure-Temperature Relationship of Refrigerants (45 min)
  • 1.5 Superheat and Subcooling: Critical Measurements (50 min)

Detailed study of compressors, condensers, evaporators, expansion devices, thermostats, defrost systems, and door seals.
  • 2.1 The Compressor: Heart of the Refrigeration System (55 min)
  • 2.2 Condenser Coils: Heat Rejection Component (45 min)
  • 2.3 Evaporator Coils: Heat Absorption Component (50 min)
  • 2.4 Expansion Devices: Capillary Tube and TXV (50 min)
  • 2.5 Thermostats, Defrost Systems, and Controls (50 min)

Common domestic refrigerants (R134a, R600a), ozone depletion and GWP concerns, recovery and recharge procedures, and safe handling certification requirements.
  • 3.1 Refrigerant Types and Classifications (50 min)
  • 3.2 Refrigerant Safety and Handling Procedures (45 min)
  • 3.3 Refrigerant Recovery, Recycling, and Reclamation (50 min)
  • 3.4 Refrigerant Charging Procedures (55 min)
  • 3.5 Leak Detection and Repair (50 min)

Using a multimeter to test compressor windings, start relays, overload protectors, defrost timers, thermostats, and fan motors.
  • 4.1 Basic Electrical Principles for Refrigeration (50 min)
  • 4.2 Refrigerator Electrical Components and Wiring Diagrams (55 min)
  • 4.3 Compressor Electrical Diagnostics (55 min)
  • 4.4 Control Board and Sensor Diagnostics (50 min)
  • 4.5 Systematic Electrical Troubleshooting (50 min)

Systematic approach to diagnosing no-cooling, insufficient cooling, over-cooling, and icing problems in domestic refrigerators and freezers.
  • 5.1 Systematic Cooling Problem Diagnosis (50 min)
  • 5.2 Frost Pattern Analysis and Evaporator Diagnosis (50 min)
  • 5.3 Diagnosing Low Refrigerant Charge and Leaks (55 min)
  • 5.4 Diagnosing Restriction Problems (50 min)
  • 5.5 Compressor Efficiency Testing (50 min)

Replacing faulty compressors, start relays, capacitors, and expansion devices. Evacuating and recharging the refrigeration system correctly.
  • 6.1 Compressor Replacement Procedures (60 min)
  • 6.2 Brazing Techniques for Refrigeration (50 min)
  • 6.3 Filter Drier Replacement and System Cleaning (50 min)
  • 6.4 Evacuation and Dehydration Procedures (50 min)
  • 6.5 System Charging and Performance Verification (50 min)

Diagnosing and repairing defrost heaters, defrost thermostats, timers, and electronic defrost control boards.
No lessons available in this module yet.

Annual maintenance procedures, condenser coil cleaning, door seal replacement, and offering preventative maintenance contracts as a service.
No lessons available in this module yet.

This module equips learners with essential research skills including research design, data collection methods (qualitative and quantitative), data analysis techniques, survey development, interviewing skills, ethical considerations in research, and how to apply research findings to improve workplace practices and decision-making.
  • 9.1 Introduction to Research Methods for Technicians (50 min)
  • 9.2 Evaluating Information Sources (CRAAP Test) (50 min)
  • 9.3 Online Research and Technical Forums (55 min)
  • 9.4 Service Manuals, Technical Bulletins, and Documentation (50 min)
  • 9.5 Creating a Performance Baseline and Troubleshooting Log (50 min)

This module develops critical soft skills essential for workplace success: integrated thinking (connecting ideas across disciplines), logical reasoning and problem-solving, effective verbal and written communication, active listening, emotional intelligence, negotiation techniques, mediation skills, conflict resolution strategies, de-escalation techniques, building consensus, handling difficult conversations, and fostering a collaborative workplace culture.
  • Foundations of Integrated Thinking (60 min)
  • Logical Reasoning and Problem-Solving (75 min)
  • Effective Workplace Communication (65 min)
  • Emotional Intelligence and Conflict Resolution (70 min)
  • Building Consensus and Collaborative Culture (60 min)

Certification Exam

Final examination for Certified Ekasi Refrigerator Technician certification

Passing Score: 70%
Time Limit: 60 minutes
Attempts Allowed: 3
Camera Required: Yes

To earn your certificate, you must complete all course materials and pass the final exam with a score of 70% or higher.

Enroll in this Course
Certificate included
100 hours content
Downloadable resources
Mobile access
Duration 100 hours
Skill Level Intermediate
Learning Method Self Study
Category Home Services
Modules 10
Total Lessons 40
Last Updated May 2026
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