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Powercom VRM – Vanguard Rack — is a series of single-phase online UPS with double conversion (VFI) in rack design (Rack), which is designed for critical applications: server, telecommunications nodes, video surveillance systems and automation. Thanks to the compact form factor 19” and the presence of LCD interface, USB, RS-232, SNMP connections, UPSs of this series provide convenient integration and stable power supply with a high degree of protection. Regular diagnostics ensure reliable operation, maintain the battery in working condition, and timely detect worn components.
What diagnostics include
Inspection/audit
- Visual inspection of the condition of the housing, display, indicators, and power terminals.
- Assessment of operating conditions: rack temperature, humidity, cleanliness, air circulation.
- Check for correct connection to the load, network, and grounding.
Electrical tests
- Measurement of input voltage and frequency: stability, permissible deviations.
- Check output voltage, sine wave purity, frequency, harmonic level.
- Load testing: response to load changes, response to surges.
- Check response to network failures: switching to the battery, return to normal mode.
Inverter / bypass / charge
- Evaluation of inverter parameters: signal stability, switching time.
- Static bypass testing: correct switching, overload protection function.
- Checking the charging module: charging voltage and current, operating mode.
- Analysis of device logs: history of failures, operating modes, switching.
Battery (battery system)
- Visual inspection of batteries: integrity of the case, absence of damage or corrosion.
- Measurement of the voltage of each battery or modules, detection of capacity reduction.
- Autonomous operation test with partial or full load.
- Evaluation of the efficiency of the charging circuit and the presence of deep-discharge cycles discharge.
Cooling
- Fan check: noise, case temperature, heat dissipation efficiency.
- Measurement of the temperature of power components under load.
- Inspection of ventilation holes and filters (if any) for clogging.
Communications / monitoring
- LCD display test: access to settings, display of real parameters, event log.
- Checking USB, RS-232, SNMP interfaces: reading parameters, connection stability.
- Integration with monitoring software (Powercom ViewPower or third-party) for remote control.
Technical report
- Recording of all measured parameters, logs and results.
- Description of detected problems, prognosis degradation of components, including the battery.
- Recommendations for maintenance, battery replacement or other components.
When diagnostics are needed
- Every year — to comply with the requirements of technical regulations and extend the resource.
- After bypass operation, network failures or unexpected load disconnections.
- After installation or long system downtime.
- After replacing the battery pack or updating the software.
Why choose Total-Energo LLC
- A professional team with experience in diagnosing Powercom Vanguard series, in particular VRM.
- Using precise equipment for measurements and analysis.
- Compliance with safety requirements, the ability to diagnose without stopping the load.
- A full technical report and support after diagnostics.