Delta Modulon DPH Series User Manual page 65

No. Event
5 Battery Low
6 Bypass Input Abnormal
7 Battery Test Fail
8 Internal Comm. Fail
External Parallel Comm.
9
Fail
10 Output Overload
11 EPO Activated
12 Load On Manual Bypass
Battery Over
13
Temperature
14 Output Voltage Abnormal
Battery Need
15
Replacement
Bypass Over
16
Temperature
Bypass Static Switch
17
Fault
18 UPS Over Temperature
Battery Breaker Shunt
19
Trip
20 Backfeed Protection
21 General Alarm
When the UPS runs in battery mode, battery voltage
is lower than the setup limit (default: 154Vdc).
The bypass voltage, frequency or phase sequence is
abnormal.
During the battery test, the battery voltage is out of the
setup limit.
The #n power module's internal communication is
abnormal.
In parallel mode, parallel communication is abnormal.
The UPS is overloaded or the UPS shuts down to let
the bypass supply power to the critical loads.
UPS.
The Manual Bypass Breaker (Q2) is turned on and the
UPS transfers to manual bypass mode.
The battery temperature is too high.
The output voltage is too high or too low.
The battery replacement date is due.
The bypass static switch temperature is too high.
The bypass static switch has an open/ short issue.
The UPS temperature is too high.
When the EPO button is pressed or low battery
shutdown occurs, the UPS will send a signal to the
external battery power.
When the UPS's bypass SCR has an open/ short
issue, the UPS will send a signal to the connected
voltage.
When any UPS alarm occurs, the UPS will send an I/
O signal.
4-9
4 Communication Interfaces
Description