Huawei PDU8000 User Manual page 138

PDU8000 Modular Precision Power Distribution Cabinet
User Manual (1100 mm Deep)
Alarm
Name
Br. circuit
breaker off
Branch
abnormal
Branch
overload
Max. br. cur.
exceed
Min. br. cur.
exceed
Main input
br. current
shock
Three phase
current imb.
Issue 01 (2019-02-25)
Alarm Impact
Severity
Critical A branch switch
has changed from
ON to OFF.
Warning A branch switch
is on, but no
current is
detected.
Critical The current of a
branch exceeds 1
time of the rated
current (multiple:
1–1.2;
confirmation
time: 1–10s).
Major The current of a
branch exceeds
0.8 time of the
rated current
(multiple: 0.8–1).
The current of a
Warning
branch exceeds
0.6 time of the
rated current
(multiple:
0.6–0.8;
confirmation
time: 1–10s).
Major A surge current
three times
greater than the
rated current is
detected in a
branch (multiple:
1.5–5).
Warning The difference
between currents
on phases L1, L2,
and L3 of the
input power or an
output branch
exceeds 15%
(Configurable
range: 5–50%).
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance Guide
Possible Solutions
Cause
N/A N/A
N/A N/A
The branch is Check the load power
overloaded. of the branch.
The branch is Check the load power
overloaded. of the branch.
N/A N/A
The insulation Check the cable
of the branch insulation of the output
is abnormal. branch.
The loads Check all output loads
among three and adjust loads of
phases are phases L1, L2, and L3.
unbalanced.
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