Pdu8000 Mdu Alarms - Huawei IDS1000-A Maintenance Manual

IDS1000-A Air-Cooled Container Data Center
All-in-One Maintenance Guide
Fault
Category

4.18 PDU8000 MDU Alarms

Fault
Category
PDU8000
MDU
alarms
Issue 01 (2016-01-10)
Alarm Symptom
Severity
The SPD circuit
breaker is off.
Alarm Symptom
Severity
Major The user interface
does not display
branch currents.
Major The user interface
fails to display the
circuit breaker
status.
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Possible Troubleshooting
Cause
A false alarm is Switch on the SPD
generated circuit breaker.
(normally
closed contact).
Possible Troubleshooting
Cause
The monitoring Check that cables are
board properly connected.
communication
s cable or the
secondary cable
to the
corresponding
branch current
transformer is
not properly
connected.
The monitoring If the monitoring board
board or current or current transformer
transformer is is faulty, replace the
faulty. faulty monitoring board
or current transformer.
The Check that the Boolean
communication value collection module
s cable of the is properly connected to
Boolean value the branch Boolean
value signal cable.
collection
module or the
corresponding
branch Boolean
value signal
cable is not
properly
connected.
The Boolean Check the Boolean
value collection value collection module
module or and auxiliary switch
auxiliary switch contact. If the collection
contact is module or auxiliary
faulty. contact is faulty,
replace it.
4 Alarms and Faults
61