Alarm ID
Alarm Name
Alarm
Severity
Possible Causes
Procedure
412177053 Main THDi high
Warning
The THDi on the main
circuit exceeds the
threshold.
Check the power
input.
412177066 Current transformer
cable connected
reversely
Major
The cable to the
current transformer
on the input board of
the transformer is
reversely connected.
Check the cable
connection.
412177067 Main circuit breaker
off
Critical
The circuit breaker on
the main circuit
changes from ON to
OFF.
Check the circuit
breaker on the main
circuit.
Table 7-2 Power distribution unit alarm reference
Alarm ID Alarm Name
Alarm
Severit
y
Possible Causes
Procedure
41218700
4
Power distribution unit and
ECC800 communication failure
Attribute
Major
Communication
with the PoE
module is
interrupted.
Check the cable
connection to the
power distribution
unit.
41218700
0-412187
003
POE1/POE2/POE3/POE4 output
overload
Major
The output is
overloaded or the
power supply pin is
short-circuited.
Check that the
output is not
overloaded.
Check that the
power supply pin is
not short-circuited.
41218700
5
Detection board abnormal
Critical
The monitoring
board hardware is
faulty.
Check that the
monitoring board
works properly.
41218700
6
FE1 not connected
Minor
No cable connects
to the FE1 port.
Check whether the
FE1 port on the
power distribution
unit requires cable
connection or
whether the cable
to the FE1 port is
loose.
New Main Way 2.0
User Manual
7 Alarm List
Issue 05 (2020-10-15)
Copyright © Huawei Technologies Co., Ltd.
53
