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Total-Energo LLCprovides highly qualified repair, diagnostic, and maintenance services for Kehua KR-RM Li Series uninterruptible power supplies—modular online UPS units in a rack-mount format using lithium iron phosphate (LiFePO4) battery packs. This series is designed to provide uninterrupted power to mission-critical facilities: server rooms, data centers, telecommunications systems, and industrial enterprises. Thanks to its innovative lithium battery, the KR-RM Li Series features increased energy efficiency, a longer service life, and reduced weight. Total-Energo LLC performs repairs of any complexity using original components and adhering to the manufacturer’s requirements.
Repair Work Procedure
Repairs of Kehua KR-RM Li Series UPSs are carried out according to a clearly defined procedure, which includes:
- Diagnostics — a comprehensive inspection of power modules, control boards, ventilation systems, communication interfaces, and the condition of lithium-iron-phosphate battery packs;
- Preparation of a defect report — identification of malfunctions, cost calculation, and approval by the customer;
- Supply of original spare parts — ordering components from the manufacturer or official suppliers if they are not in stock;
- Device cleaning — removal of dust from circuit boards, contacts, fans, and the housing;
- Repair or replacement of modules — restoration or replacement of power and control components;
- Commissioning and debugging — configuring operating parameters, testing in various modes, checking the backup bypass;
- Load testing — simulating real operating and emergency conditions;
- Preparation of a certificate of completion — signing of technical documentation and provision of recommendations to the customer.
In the event of complex malfunctions, repairs are performed at the service center of Total-Energo LLC using professional equipment and modern technologies.
Features of lithium iron phosphate battery maintenance
The KR-RM Li series is equipped with lithium iron phosphate (LiFePO4) batteries, which offer the following advantages:
- Long service life — up to 15 years of operation and over 4,000 charge-discharge cycles;
- Reduced weight and dimensions compared to lead-acid counterparts;
- Built-in battery management system (BMS) that provides voltage and temperature monitoring, short-circuit protection, and cell balancing;
- Improved safety — resistance to overheating and fire safety;
- Minimal maintenance requirements during operation.
Total-Energo LLC provides comprehensive service support for lithium iron phosphate batteries: diagnostics, preventive maintenance, replacement of individual modules as needed, and consultations on proper operating procedures.
Service Support
Total-Energo LLC provides comprehensive service support for Kehua KR-RM Li Series UPSs, including:
- Regular preventive inspections and testing;
- Software and firmware updates;
- Emergency repairs with prompt on-site engineer dispatch;
- System performance monitoring via SNMP, WEB, and local interfaces;
- Documentation of work performed and operational consulting.
Signing of a service agreement
Total-Energo LLC offers a service agreement for the Kehua KR-RM Li Series UPS, which includes:
- Scheduled engineer visits according to a schedule;
- Priority supply of spare parts and batteries;
- Rapid response to emergency situations;
- A personalized approach to each client’s needs;
- Complete technical documentation for each visit.
Kehua KR-RM Li Series — a modern, reliable, and efficient uninterruptible power supply that requires professional technical support. Total-Energo LLC guarantees high-quality repairs, service, and support at all stages of equipment operation.