Huawei FusionModule5000 Maintenance Manual page 59

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)
Alarm
Name
Loading
board ...
Failed to
load board
Abnormal
board power
supply
Main input
open phase
Main input
outage
Main input
CT reverse
connect
Issue 01 (2019-03-05)
Alarm Impact
Severity
is different from
the configured
number.
Warning The application is
being loaded to
the power
distribution
detection board.
Critical Failed to load the
application to the
power
distribution
detection board.
Major The voltage of a
power input to
the detection
board is less than
9.5 V.
Critical A phase of the
input power has
no voltage or has
a voltage lower
than the threshold
(0–60 V).
Critical The input power
has three open
phases.
Major The common
polarity terminal
and common
terminal on a
phase current
transformer of a
mains phase are
reversely
connected.
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3 Alarm Reference
Possible Solutions
Cause

A cable replace the
has monitoring board
become by referring to
loose. 5.1.1.5 Replacing
the Monitoring
Board.
 Check whether the
CAN cable is
securely connected.
N/A Load again. If the fault
persists, contact
Huawei technical
support.
N/A Load again. If the fault
persists, contact
Huawei technical
support.
N/A Replace the
monitoring board by
referring to
Replacing the
Monitoring
The input Check the input power.
power supply
is faulty.
The input Check the input power.
power supply
is faulty.
N/A Switch cables
connected to the
common polarity
terminal and common
terminal.
uses dual-input as an
example to show the
cable connection for
the common polarity
terminal and common
terminal of the current
transformer for route I
phase L1.
5.1.1.5
Board.
Figure 3-1
51