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All Categories » 1. Troubleshooting

The category consists solutions for problems with UPSs

Frequently Asked Questions

  1. 1. Troubleshooting procedure  

  2. An EPO Alarm (Emergency Power Off)  

  3. A backup time is too short  

  4. A fan is too loud  

  5. A measured voltage is ~160V, but software shows 230V (True RMS measurement)  

  6. A UPS displays "0" on the LCD.  

  7. A UPS reports overload, but the connected load is below its maximum  

  8. A UPS stopped working after a storm  

  9. A UPS switches off after 30/60min on battery  

  10. A UPS switches off immediately after input fails  

  11. A UPS switches off in a battery mode, but the load was small and battery full  

  12. A VI UPS is working loud for some period of time  

  13. Claiming battery failure  

  14. Code Messages for VI RLE, VI R1U and VI STL  

  15. Output voltage is too high/low and much different than the input voltage  

  16. Site Wiring Failure  

  17. UPS losing connection with the monitoring software  

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