Huawei PDU8000 Series Quick Manual page 17

A
Alarm Reference
Alarm
No. Alarm Name
Severity
Abnormal
1
Critical
board comm.
Board
2
quantity Critical
inconsistency
Abnormal
3
board power Major
supply
Max. main
4 input cur. Warning
exceed
Min. main
5 input cur. Warning
exceed
Branch
6 Warning
abnormal
Max. br. cur.
7
Major
exceed
Min. br. cur.
8
Warning
exceed
Br. current
9
Major
shock
Generation Condition
The communication
between the MDU and
the monitoring board is
interrupted.
The actual number of
power distribution
monitoring boards is
different from the
configured number.
The voltage of a power
input to the monitoring
board is less than 9.5 V.
A phase input current of
a route exceeds 0.8
time of the rated current
(multiple: 0.8–1).
A phase input current of
a route is lower than
0.6 time of the rated
current (multiple: 0.6–
0.8).
A branch switch is on,
but no current is
detected.
The current of a branch
exceeds 0.8 time of the
rated current (multiple:
0.8–1).
The current of a branch
exceeds 0.6 time of the
rated current (multiple:
0.6–0.8).
A surge current three
times greater than the
rated current is
detected in a branch
(multiple: 1.5–5).
17
Possible
Measure
Cause
The monitoring Check whether the CAN
board is cable is in loose contact. If
disconnected. yes, connect it securely.
•
Check whether the run
indicator of the
•
Monitoring monitoring board is
board fault. steady on. If no,
•
The cable replace the monitoring
has become board.
•
loose. Check whether the
CAN cable is securely
connected.
Replace the monitoring
N/A
board.
The system is Check all output load
overloaded. power.
N/A N/A
N/A N/A
The branch is Check the load power of
overloaded. the branch.
N/A N/A
The insulation
Check the cable insulation
of a branch is
of the output branch.
abnormal.