Huawei PDU8000 Series - Page 17

17
No.
Alarm Name
Alarm
Severity
Generation Condition
Possible
Cause
Measure
1
Abnormal
board comm.
Critical
The communication
between the MDU and
the monitoring board is
interrupted.
The monitoring
board is
disconnected.
Check whether the CAN
cable is in loose contact. If
yes, connect it securely.
2
Board
quantity
inconsistency
Critical
The actual number of
power distribution
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
steady on. If no,
replace the monitoring
board.
•
Check whether the
CAN cable is securely
connected.
3
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.
4
Max. main
input cur.
exceed
Warning
A phase input current of
a route exceeds 0.8
time of the rated current
(multiple: 0.8
–1).
The system is
overloaded.
Check all output load
power.
5
Min. main
input cur.
exceed
Warning
A phase input current of
a route is lower than
0.6 time of the rated
current (multiple: 0.6
–
0.8).
N/A
N/A
6
Branch
abnormal
Warning
A branch switch is on,
but no current is
detected.
N/A
N/A
7
Max. br. cur.
exceed
Major
The current of a branch
exceeds 0.8 time of the
rated current (multiple:
0.8
–1).
The branch is
overloaded.
Check the load power of
the branch.
8
Min. br. cur.
exceed
Warning
The current of a branch
exceeds 0.6 time of the
rated current (multiple:
0.6
–0.8).
N/A
N/A
9
Br. current
shock
Major
A surge current three
times greater than the
rated current is
detected in a branch
(multiple: 1.5
–5).
The insulation
of a branch is
abnormal.
Check the cable insulation
of the output branch.
A
Alarm Reference