Huawei FusionModule5000 Maintenance Manual page 62

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)
Alarm
Name
Min. br. cur.
exceed
Main input
br. current
shock
Three phase
current imb.
Figure 3-1 Common polarity terminal and common terminal of the transformer
(1) Common polarity terminal
Issue 01 (2019-03-05)
Alarm Impact
Severity
Warning The current of a
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%).
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3 Alarm Reference
Possible Solutions
Cause
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.
(2) Common terminal
54