PDU8000 Modular Precision PDC V2.0
User Manual
8 Maintenance Guide
Issue 03 (2018-01-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
120
8.2 Alarm Reference
Alarm
Name
Alarm
Severity
Impact
Possible
Cause
Solutions
Abnormal
board
comm.
Critical
The
communication
between the
MDU and
monitoring board
is interrupted.
The
monitoring
board is
disconnected.
Check whether the
CAN cable is in loose
contact. If yes, connect
it securely.
Configuring
board ...
Warning
The MDU is
configuring the
monitoring board.
The MDU is
configuring
the
monitoring
board.
N/A
Failed to
configure
board
Critical
Failed to
configure the
monitoring board.
The MDU
version does
not match the
monitoring
board.
Use the latest upgrade
package to activate the
board.
Board
quantity
inconsistenc
y
Critical
The actual
number of
monitoring
boards is different
from the
configured
number.
Monitoring
board
fault.
The cable
has
become
loose.
Check whether the
run indicator of the
monitoring board is
normal. If no,
replace the
monitoring board.
Check whether the
CAN cable is
securely connected.
Abnormal
board power
supply
Major
The voltage of a
power input to
the monitoring
board is less than
9.5 V.
N/A
Replace the
monitoring board.
Main input
open phase
Critical
A phase of the
input power has
no voltage or has
a voltage lower
than the threshold
(0–60 V).
The input
power supply
is faulty.
Check the input power.
Main input
outage
Critical
The input power
has three open
phases.
The input
power supply
is faulty.
Check the input power.