Huawei PDU8000 - Page 125

Alarm
Name
Alarm
Severity
Impact Possible
Cause
Solutions
Main input
underfrequ
ency
Major The input
frequency is 1.5
Hz lower than
the congured
frequency. The
frequency
setting range is
50–60 Hz.
The input
power
supply is
faulty.
Check the input
power.
Main input
overload
Critical A phase input
current of a
route exceeds 1
time of the
rated current
(multiple: 1–
1.2;
conrmation
time: 1–10s).
The system
is
overloaded.
Check all output
load power.
Max. main
input cur.
exceed
Warning A phase input
current of a
route exceeds
0.8 time of the
rated current
(multiple: 0.8–
1).
The system
is
overloaded.
Check all output
load power.
Min. main
input cur.
exceed
Warning A phase input
current of a
route is lower
than 0.6 time
of the rated
current
(multiple: 0.6–
0.8).
N/A N/A
Main input
surge
protection
abnormal
Major Any dry contact
on the SPD
connecting to
the mains input
is disconnected.
The SPD
circuit
breaker is
switched
o, or an
SPD module
is damaged.
Switch on the SPD
circuit breaker, or
replace the SPD
module.
Main input
breaker o
Warning A mains switch
has changed
from ON to
OFF.
N/A N/A
PDU8000 Modular Precision PDC V2.0
User Manual 8 Maintenance Guide
Issue 04 (2021-04-13) Copyright © Huawei Technologies Co., Ltd. 118