Delta Modulon DPH Series User Manual page 66

No.
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
16 Bypass Over Temperature
17 Bypass Static Switch Fault
18 UPS Over Temperature
19 Battery Breaker Shunt Trip
20 Backfeed Protection
21 General Alarm
Modulon DPH Series
Event
No set-up.
The UPS works in online 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: 220Vdc).
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 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 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
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.
Description
4-8