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Total-Energo LLCprovides professional services for repairing Riello UPS Sentinel Tower series uninterruptible power supplies — single-phase online double-conversion UPSs with capacities ranging from 1 to 10 kVA, which provide reliable protection for critical loads in commercial, industrial, and IT systems. The Sentinel Tower series models feature a compact tower-type enclosure, high efficiency (up to 96% efficiency), and advanced communication capabilities (RS232, USB, SNMP).
Total-Energo LLC performs repairs of any complexity — from replacing damaged circuit boards, fans, and displays to comprehensive diagnostics, calibration, and commissioning. Repairs are performed using original Riello components, which guarantees that the device’s technical specifications are preserved.
Repair Work Procedure
- Diagnostics — inspection of key components: inverter, rectifier, bypass, control board, display, ventilation, and cooling system;
- Battery condition assessment — measurement of voltage, internal resistance, temperature, and analysis of BMS operation;
- Preparation of a defect report — detailed description of malfunctions, agreement on deadlines and cost with the customer;
- Supply of original spare parts — replacement of boards, fans, batteries, displays, and other components;
- Cleaning and preventive maintenance — cleaning internal components of dust, checking contacts, replacing thermal pads;
- Repair work — replacement of faulty parts, calibration, firmware updates;
- Commissioning — testing operation in all modes, voltage and frequency stability, switching between power sources;
- Load testing — simulation of emergency situations and monitoring of system operation;
- Signing of the work completion report — with a detailed description of the procedures performed and the results.
Complex repairs or equipment upgrades are performed at the service facility of Total-Energo LLC, equipped with modern diagnostic tools.
Battery replacement
For Sentinel Tower models, Total-Energo LLC offers:
- Replacement of lead-acid (AGM, GEL) batteries in accordance with the manufacturer’s specifications;
- Upgrade to LiFePO4 — with the following advantages:
- Longer service life (over 6,000 cycles);
- Improved safety and thermal stability;
- Reduced weight and compact battery pack;
- Integration with the battery management system (BMS);
- Development of a custom backup power system tailored to customer requirements.
Service support
- Regular maintenance — scheduled inspections, checking the condition of the battery, ventilation, and electronics;
- Rapid response to emergencies — engineer dispatch within 24 hours;
- Remote monitoring — via SNMP, USB, or other interfaces;
- Operational consulting — staff training, error interpretation, system configuration;
- Maintenance of a complete service history in electronic form.
Service contract
Total-Energo LLC offers a service contract for the Riello UPS Sentinel Tower, which includes:
- Regular inspections according to schedule;
- Priority supply of spare parts;
- Prompt troubleshooting;
- Recommendations for upgrades to extend equipment lifespan;
- A complete set of documentation — reports, certificates, and protocols.
Riello UPS Sentinel Tower — a reliable and efficient uninterruptible power supply that requires professional service. Total-Energo LLC provides high-quality repair and maintenance services that extend the service life of your equipment and ensure its uninterrupted operation.