Alarm
No.
Message
Inverter Voltage
24
Abnormal
INV #n Over
Current
25
Warning
INV #n Over
Current
26
Shutdown
INV #n Load
Sharing
27
Unbalance
Output
28
PM
Redundancy
29
Loss
System Fan
30
Abnormal
STS Module
31
Fan Abnormal
PFC #n
32
Fan Fault
Dust Filter
33
Replacement
Parallel
34
Incompatible -
AC In Type
Modulon DPH Series
Possible Cause
The system's inverter total
output voltage is abnormal.
The inverter output current of
the power module #n is too
high.
The inverter output current of
the power module #n is too
high.
The connected loads are
abnormal or the inverter
of the power module #n is
damaged.
The connected loads exceed
the redundancy setting.
The system's fan
components are damaged.
The STS module's fan
components are damaged.
The fan components of
power module #n are
damaged.
due.
the parallel UPS units' AC
input settings.
Please contact service personnel for
assistance.
Please contact service personnel for
assistance.
Please contact service personnel for
assistance.
Please contact service personnel for
assistance.
1. Please check if the output switch is
turned off or not. If yes, please turn it
on.
2. If the alarm message still exists
after the solution mentioned above
has been executed, please contact
service personnel.
1. Please reduce the loads.
2. Please reset the power module
redundancy setting. Please refer to
7.10.3 Output Setting.
Please contact service personnel for
assistance.
Please contact service personnel for
assistance.
Please contact service personnel for
assistance.
Please contact service personnel for
assistance.
Check if the AC input settings among
the parallel UPS units are correct or
not, and contact service personnel for
assistance.
10-6
Solution
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