Huawei PDU8000 User Manual page 84

PDU8000 Modular Precision Power Distribution Cabinet
User Manual
No.
25
26
27
28
29
Issue 01 (2016-02-27)
Alarm Alarm
Name Severity
Branch Critical
overload
Max. br. Warning
cur. exceed
Min. br.
Warning
cur. exceed
Main input Major
br. current
shock
Three Warning
phase
current
imb.
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Possible
Impact
Cause
The current of The branch is
a branch overloaded.
exceeds 1
times of the
rated current
(multiple:
1–1.2;
confirmation
time: 1–10s).
The current of The branch is
a branch overloaded.
exceeds 0.8
time of the
rated current
(multiple:
0.8–1).
The current of
N/A
a branch
exceeds 0.6
time of the
rated current
(multiple:
0.6–0.8;
confirmation
time: 1–10s).
A surge The
current three insulation of
times greater a branch is
than the rated abnormal.
current is
detected in a
branch
(multiple:
1.5–5).
The difference The loads of
between phases L1,
currents on L2, and L3
phases L1, L2, are
and L3 of the imbalanced.
input power or
an output
branch
exceeds 15%
(Configurable
range:
5–50%).
9 Operation and Maintenance
Solutions
Check the load
power of the branch.
Check the load
power of the branch.
N/A
Check the cable
insulation of the
output branch.
Check all output
loads and adjust
loads of phases L1,
L2, and L3.
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