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Troubleshooting Common UPS faults 5

Common fault: The UPS works properly but the load device is abnormal.

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Possible cause

1) The UPS output zero-ground voltage is too high.

2) The UPS ground cable and the load device ground cable are not connected to the same point.

3) The load equipment is affected by abnormal interference.

Treatment method

1) Check the grounding of the UPS. If necessary, install a 1-3kω resistor between the output terminals of the UPS.

2) Connect the UPS ground and the load ground to the same point.

3) Restart the load device.

UPS BATTERY SERIES

UPS (Uninterruptible Power Supply) batteries are an important component of power supply systems designed to provide stable power support for electronic devices.

Extended reading

UPS User Guide

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