After-sales Service Engineer

**Job Responsibilities:** **Air-conditioning Unit Installation Guidance and Commissioning** - Inspect whether the customer's piping system and electrical wiring installation comply with company requirements. - Verify whether the customer's water system configuration and installation meet equipment requirements and confirm that the power distribution system complies with equipment power and protection requirements. - Perform equipment startup and commissioning, monitor operating parameters, and ensure stable unit operation in accordance with customer requirements. - Train customers in the correct operation of air-conditioning units and daily maintenance precautions. **Air-conditioning Unit Repair** - Investigate customer-reported issues and identify the root causes of equipment failures. - Diagnose equipment faults, determine the fault trigger point, and complete repair work. - When replacement spare parts or maintenance materials are required, submit requests promptly through the Lingdang System. - Report damaged materials promptly, track maintenance materials and spare parts, and return defective parts or unused materials to the company after repair completion. - Consult technical specialists when encountering complex or high-difficulty technical issues. **Preventive Maintenance and Routine Inspection** - Regularly clean air-cooled condensers, water-cooled condensers, air filters, and other equipment to ensure optimal heat exchange performance. - Inspect compressors, fans, control boards, switches, contactors, and other components, and replace damaged parts when necessary. - Regularly replace compressor refrigeration oil and filter driers, replenish refrigerant, and ensure stable system operation. - Perform scheduled preventive inspections, ensure stable equipment operation, and record inspection results. **Customer Operational Training** - Train customers on the company's 400 Service Hotline repair request process, including the information required when submitting a service request (customer name, equipment serial number, location, contact person, etc.). - Train customers to independently operate and start up the equipment. - Enhance customer confidence and increase customers' willingness to purchase maintenance service contracts. **Customer Technical Theory Training** - Develop training plans and organize technical training sessions. - Prepare training manuals and complete all pre-training preparations. - Organize and summarize training materials after each training session. - Conduct assessments and evaluations upon completion of training. **Provide Product Feedback to the Factory** - Analyze customer dissatisfaction and provide timely feedback and recommendations to the factory. - Report on equipment performance issues caused by product-related defects to the factory. - Identify equipment design or structural issues that make maintenance difficult and submit improvement suggestions to the factory. **Other Responsibilities:** - Respond to service assignments received through the 400 Service Hotline and accurately complete commissioning forms, damage reports, and maintenance reports in a timely manner. - Upload commissioning reports and maintenance reports to the system promptly and mail the original hard-copy documents back to the company when required. - Complete other tasks assigned by the direct supervisor in a timely manner. - Cooperate with other departments or external organizations in completing related work assignments as required. **Requirements:** - Solid understanding of refrigeration principles and electrical control systems. - Familiarity with company procedures, operating processes, and product knowledge. - Basic computer skills and proficiency in office software. - Strong learning ability and technical aptitude. **Work experience required: 1 - 5 yrs** **Salary: 2500 €/mth** **Initial date of employment: November 2nd, 2026. End date: 1st November 2027** **Send applications to: hr@minnovation.se**