ABB PCS100 UPS-I User Manual page 55

PCS100 UPS-I User Manual
Discharge overload
Storage empty
Discharging
Walking in
Test Mode run
UPS-I has been running on energy storage for longer than
parameter 520 Maximum Active Time.
The PCS100 UPS-I has returned to the utility supply. The UPS-I is
at current limit for an extended period or the heatsink is hot.
Load is operating from the utility supply. The energy storage is
drained (The DC voltage is less than 554VDC).
The utility voltage or frequency is out of limits. The PCS100 UPS-I
has transferred to energy storage.
The PCS100 UPS-I is transferring from energy storage back to the
utility.
Test mode has been activated. See Parameter 912
Table 7-4: PCS100 UPS-I Status Messages
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