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Total-Energo LLCprovides professional services for repairing Riello UPS Sentryum series uninterruptible power supplies—three-phase online double-conversion UPSs designed for industrial and critical facilities with capacities ranging from 10 to 400 kVA. This series is characterized by high reliability, modular design, flexible scalability, and high efficiency (up to 96%), ensuring a stable power supply under challenging operating conditions.
We perform repairs of any complexity — from fixing minor faults to fully restoring the functionality of power and control modules, using original components and professional diagnostic equipment.
Repair Work Procedure
- Comprehensive diagnostics — inspection of key components: inverters, rectifiers, bypass, control boards, cooling system, communication modules;
- Battery condition assessment — measurement of voltage, internal resistance, analysis of BMS operation and temperature regime;
- Preparation of a defect report — detailed description of identified malfunctions with agreement on repair costs and timelines;
- Supply of original spare parts — power modules, circuit boards, fans, sensors, and other components;
- Cleaning and preventive maintenance — dust removal, contact inspection, replacement of thermal pads;
- Repair work — replacement of defective components, firmware updates, calibration, and debugging;
- Commissioning and debugging — testing operation in all modes, voltage and frequency stability, automatic switching;
- Load testing — simulation of emergency situations and monitoring of system stability;
- Signing of the work completion report — with a detailed report and recommendations.
Complex repairs or equipment upgrades are performed at the service facility of Total-Energo LLC, equipped with modern diagnostic equipment and test benches.
Battery replacement
Riello UPS Sentryum supports both internal and external battery systems. We offer:
- Replacement of lead-acid (AGM, GEL) batteries in accordance with technical requirements;
- Upgrade to LiFePO4 batteries with the following advantages:
- Longer service life of over 6,000 cycles;
- Improved safety and thermal stability;
- Lighter weight and more compact design;
- Integration with BMS for monitoring;
- Design and installation of backup power systems in accordance with customer requirements.
Service support
- Scheduled maintenance — regular inspections, battery and fan checks, software updates;
- Emergency response — on-site specialist visit within 24 hours;
- Remote monitoring — via SNMP, Modbus, USB;
- Operational consulting — staff training, assistance in interpreting errors;
- Storage of complete service history in a digital archive.
Service contract
Total-Energo LLC offers a service contract for Riello UPS Sentryum with the following benefits:
- Regular technical inspections according to an individual schedule;
- Priority supply of spare parts and materials;
- Prompt troubleshooting in the shortest possible time;
- Scheduled recommendations for upgrades to extend service life;
- Full reporting — reports, protocols, recommendations.
Riello UPS Sentryum — a reliable and high-tech solution for industrial and critical power supply systems. Total-Energo LLC guarantees high-quality repairs, service, and support in accordance with global quality and safety standards.