Issue:
UPS will not operate on utility power or may be clicking between utility and battery power.
Product Line:
Back-UPS RS/XS & Back-UPS CS (4-LED Interfaces)
Environment:
All models & serial numbers
Cause:
This may be caused by one of the following conditions;
- Low Voltage / Sag
- Black-out
- High Voltage / Over-Voltage
- Frequency is out of range
- Total Harmonic Distortion
Resolution:
The following video details the process for manually adjusting the Back-UPS RS & XS or Back-UPS CS system's AC Input Sensitivity.
