Delta Modulon DPH Series User Manual page 33

No. Event
1 None
2 Load On Inverter
3 Load On Bypass
4 Load On Battery
5 Battery Low
6 Bypass Input Abnormal
7 Battery Test Fail
8 Internal Comm. Fail
External Parallel Comm.
Fail
9
(For parallel application
only)
10 Output Overload
11 EPO Activated
12 Load On Manual Bypass
13 Battery Over Temperature
14 Output Voltage Abnormal
15 Battery Need Replacement
Description
No set-up.
The UPS works in On-Line mode.
The UPS works in Bypass mode.
When the main AC source fails, the batteries
supply power to the critical loads.
When the UPS runs in Battery mode, battery
voltage is lower than the setup limit (default:
220 Vdc).
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.
To urgently power off the UPS.
The Manual Bypass Switch (Q3) is turned on
and the UPS transfers to Manual Bypass
mode.
The external battery cabinet's temperature is
too high.
The output voltage is abnormal.
The battery replacement date is due.
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