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Total-Energo LLCprovides professional diagnostic, repair, and maintenance services for Kehua KR-RM Series uninterruptible power supplies—modular online UPS units in a rack-mount format designed to protect server rooms, data centers, telecommunications systems, and industrial facilities. The KR-RM Series is characterized by high reliability, scalability, hot-swappable modules, and advanced monitoring features. Total-Energo LLC performs repairs of any complexity using original components and in accordance with the manufacturer’s technical standards.
Repair Work Procedure
Repairs of Kehua KR-RM Series UPSs are performed according to a structured procedure, which includes:
- Diagnostics — comprehensive testing of power modules, control boards, ventilation systems, communication interfaces, battery packs, and the overall electrical circuit;
- Preparation of a defect report — identification of malfunctions, cost estimation, and client approval;
- Supply of original spare parts — ordering necessary components from the manufacturer or official distributors if they are not in stock;
- Device cleaning — removal of dust from circuit boards, contacts, fans, and the housing;
- Repair or replacement of modules — repair or replacement of power, control, and communication modules;
- Commissioning and debugging — configuration of operating parameters, testing in various modes, verification of the backup bypass;
- Load testing — simulation of real operating conditions and emergency situations;
- Preparation of a work completion report — signing of technical documentation, provision of operating recommendations to the customer.
In the event of complex malfunctions, repairs are performed at the service center of Total-Energo LLC using professional diagnostic equipment and modern soldering technologies.
Battery pack maintenance
Kehua KR-RM Series UPSs operate with external battery packs. Total-Energo LLC offers:
- Battery condition diagnostics — checking capacity, internal resistance, and runtime;
- Replacement of lead-acid batteries (AGM, GEL) with original or certified equivalents;
- Upgrading battery packs to lithium iron phosphate (LiFePO4) — to increase service life, safety, and reduce weight.
Advantages of LiFePO4 batteries compared to AGM/GEL:
- Extended service life up to 15 years and over 4,000 charge-discharge cycles;
- Higher energy density with lower weight and dimensions;
- Integrated battery management system (BMS) to monitor cell status, temperature, and balance;
- Improved safety and thermal stability;
- Minimal maintenance requirements.
Service support
Total-Energo LLC provides a full range of services for Kehua KR-RM Series UPSs:
- Scheduled preventive inspections and technical testing;
- Software and firmware updates;
- Emergency repairs with rapid response;
- System monitoring via SNMP, WEB, and local interfaces;
- Documentation of work performed and operational consultations.
Signing a service agreement
Total-Energo LLC offers a service agreement for Kehua KR-RM Series UPSs with the following benefits:
- Scheduled engineer visits according to a schedule;
- Priority supply of spare parts and batteries;
- Rapid response to emergency situations;
- Customized service terms for critical facilities;
- Complete technical documentation for each service visit.
Kehua KR-RM Series — a reliable and scalable uninterruptible power supply system that requires qualified service support. Total-Energo LLC guarantees high-quality repair, maintenance, and support throughout the entire equipment lifecycle.