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3). You can test UPS back up function by disconnecting the utility.
4). If the INPUT letters in the item section (the second row on LCD display) flashes, it means the input
voltage or frequency is beyond the extension.
3.2.3. Fault mode
The front panel indication and display is as following:
Fault mode
Red LED is on. The digital section indicates the fault code. For more details please refer to the abnormal
process table.
3.2.4. Backup time for the standard model
The backup time of the long backup time model is dependent on the external battery pack capacity and the
load level as well as other factors.
The backup time of standard model may vary from different models and load level, please refer to the
following:
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