IDS1000-A Air-Cooled Container Data Center
All-in-One Maintenance Guide
4 Alarms and Faults
Issue 01 (2016-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
61
Fault
Category
Alarm
Severity
Symptom
Possible
Cause
Troubleshooting
The SPD circuit
breaker is off.
A false alarm is
generated
(normally
closed contact).
Switch on the SPD
circuit breaker.
4.18 PDU8000 MDU Alarms
Fault
Category
Alarm
Severity
Symptom
Possible
Cause
Troubleshooting
PDU8000
MDU
alarms
Major
The user interface
does not display
branch currents.
The monitoring
board
communication
s 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
communication
s 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.