FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
5 Alarms and Faults
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
66
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Troubleshooting
closed contact).
5.13 PDU8000 MDU Alarms
Fault
Category
Alar
m
Sever
ity
Symptom
Possible
Cause
Troubleshooting
PDU8000
MDU
alarms
Major
The user interface
does not display
branch currents.
The monitoring
board
communications
cable or the
secondary cable
to the
corresponding
branch current
transformer is
not properly
connected.
Check that cables are
properly connected.
The monitoring
board or current
transformer is
faulty.
If the monitoring board
or current transformer is
faulty, replace the faulty
monitoring board or
current transformer.
Major
The user interface
fails to display the
circuit breaker status.
The
communications
cable of the
Boolean value
collection
module or the
corresponding
branch Boolean
value signal
cable is not
properly
connected.
Check that the Boolean
value collection module
is properly connected to
the branch Boolean value
signal cable.
The Boolean
value collection
module or
auxiliary switch
contact is faulty.
Check the Boolean value
collection module and
auxiliary switch contact.
If the collection module
or auxiliary contact is
faulty, replace it.