Description
Course Name: Certificate in Single & Double Door Refrigerator Repairing
Course Id: CSDDRR/Q0001.
Eligibility: 10th Grade (high school) or Equivalent.
Duration: Two Month.
Objective: The Certificate in Single & Double Door Refrigerator Repairing course is designed to equip learners with the essential technical knowledge and hands-on skills required to diagnose, repair, and maintain domestic refrigerators. This course prepares individuals for employment as appliance repair technicians or to establish their own repair services business.
How to Enroll and Get Certified in Your Chosen Course:
Step 1: Choose the course you wish to get certified in.
Step 2: Click on the “Enroll Now” button.
Step 3: Proceed with the enrollment process.
Step 4: Enter your billing details and continue to course fee payment.
Step 5: You will be redirected to the payment gateway. Pay the course and exam fee using one of the following methods:
Debit/Credit Card, Wallet, Paytm, Net Banking, UPI, or Google Pay.
Step 6: After successful payment, you will receive your study material login ID and password via email within 48 hours of fee payment.
Step 7: Once you complete the course, take the online examination.
Step 8: Upon passing the examination, you will receive:
• A soft copy (scanned) of your certificate via email within 7 days of examination.
• A hard copy (original with official seal and signature) sent to your address within 45 day of declaration of result.
Step 9: After certification, you will be offered job opportunities aligned with your area of interest.
Online Examination Detail:
Duration- 60 minutes.
No. of Questions- 30. (Multiple Choice Questions).
Maximum Marks- 100, Passing Marks- 40%.
There is no negative marking in this module.
| Marking System: | ||||||
| S.No. | No. of Questions | Marks Each Question | Total Marks | |||
| 1 | 10 | 5 | 50 | |||
| 2 | 5 | 4 | 20 | |||
| 3 | 5 | 3 | 15 | |||
| 4 | 5 | 2 | 10 | |||
| 5 | 5 | 1 | 5 | |||
| 30 | 100 | |||||
| How Students will be Graded: | ||||||
| S.No. | Marks | Grade | ||||
| 1 | 91-100 | O (Outstanding) | ||||
| 2 | 81-90 | A+ (Excellent) | ||||
| 3 | 71-80 | A (Very Good) | ||||
| 4 | 61-70 | B (Good) | ||||
| 5 | 51-60 | C (Average) | ||||
| 6 | 40-50 | P (Pass) | ||||
| 7 | 0-40 | F (Fail) | ||||
Key Benefits of Certification- Earning a professional certification not only validates your skills but also enhances your employability. Here are the major benefits you gain:
Practical, Job-Ready Skills – Our certifications are designed to equip you with real-world, hands-on skills that match current industry demands — helping you become employment-ready from day one.
Lifetime Validity – Your certification is valid for a lifetime — no renewals or expirations. It serves as a permanent proof of your skills and training.
Lifetime Certificate Verification – Employers and institutions can verify your certification anytime through a secure and reliable verification system — adding credibility to your qualifications.
Industry-Aligned Certification –All certifications are developed in consultation with industry experts to ensure that what you learn is current, relevant, and aligned with market needs.
Preferred by Employers – Candidates from ISO-certified institutes are often prioritized by recruiters due to their exposure to standardized, high-quality training.
Free Job Assistance Based on Your Career Interests – Receive personalized job assistance and career guidance in your preferred domain, helping you land the right role faster.
Syllabus:
Introduction to Refrigeration Systems: Basics of refrigeration, Principles of refrigeration cycle, Components of refrigerator, Difference between single and double door refrigerators, Types of refrigerators, Applications of refrigeration, Refrigerants and their properties, Environmental impact of refrigerants, Safety precautions in refrigerator repairing, Tools and equipment used.
Electrical Components and Circuits: Understanding electrical circuits, Wiring diagram reading, Testing electrical components, Thermostat operation, Defrost timer and its function, Overload protector, Relay and PTC switch, Sensors and controllers, Electrical safety measures, Troubleshooting electrical faults.
Mechanical Components and Operation: Compressor types and functions, Condenser operation and cleaning, Evaporator coil functions, Capillary tube and expansion device, Fans and motors in refrigerator, Door seal and gasket maintenance, Insulation and its role, Mechanical fault diagnosis, Vibration and noise issues, Proper lubrication and servicing.
Gas Charging and Refrigerant Handling: Types of refrigerants used, Vacuuming process, Leak detection methods, Recovery of refrigerant, Charging refrigerant safely, Brazing and soldering techniques, Refrigerant cylinder handling, Refrigerant pressure testing, Environmental safety standards, Legal regulations for refrigerant handling.
Advanced Fault Diagnosis and Repair Techniques: Common single door faults and solutions, Common double door faults and solutions, PCB and control board troubleshooting, Defrosting system repairs, Compressor replacement procedures, Sensor and thermostat calibration, Ice buildup problems, Water leakage troubleshooting, Temperature imbalance correction, Preventive maintenance practices.
Practical Training and Customer Service: Hands-on repairing practice, Service documentation, Communication with customers, Estimation and billing process, Inventory management of spare parts, Workshop setup and safety, Quality assurance in repairs, Warranty and service policy management, Business ethics and customer satisfaction, Entrepreneurship in refrigerator repair business.
Job Opportunities after Diploma in Single & Double Door Refrigerator Repairing
Graduates can pursue careers in appliance repair, refrigeration maintenance, cold chain management, technical training, and entrepreneurial ventures.
Top Roles: Refrigerator Technician, Appliance Service Technician, Installation Specialist, Freelance Repair Specialist, Field Service Technician, Maintenance Technician (Hospitality/Retail), Quality Assurance Technician, Technical Trainer, Warranty Service Technician, Refrigeration Assembly Worker, Customer Support Technician, Spare Parts Salesperson, Commercial Refrigerator Technician, Energy Efficiency Technician, Recycling & Refurbishment Specialist, Industrial Refrigerator Maintenance Technician, R&D Technician, Entrepreneur (Repair Business), Cold Chain Technician, Appliance Testing Specialist
Key Skills: Hardware repair, electrical diagnostics, troubleshooting, installation, maintenance, energy efficiency optimization, customer support, spare parts management, cold chain systems, R&D support, entrepreneurship
Salary Range (India):
Entry-level: ₹2–2.5 LPA
Mid-level: ₹3–5.5 LPA
Senior-level: ₹5.5–8 LPA+
Scope: Opportunities exist in appliance repair shops, authorized service centers, retail stores, manufacturing units, vocational training institutes, R&D centers, cold storage and logistics companies, recycling businesses, and independent repair ventures. Salaries vary depending on experience, specialization, employer reputation, and location, with higher pay in metropolitan hubs like Delhi, Mumbai, and Bengaluru.
