Huawei NetCol5000-A021 User Manual page 185

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Alarm Alarm Name
ID
a167 Secondary
power 24 V
overvoltage
a168 Secondary
power 24 V
undervoltage
a169 Power phase A
open
a170 Power phase B
open
a171 Power phase C
open
a172 SPD 3-phase
test board
comm fault
a173 SPD 3-phase
test board
ground fault
a174 SPD failed
a175 L1/L2 linkage
humidity not
met
Issue 03 (2020-01-10)
Alarm Impact
Severity
Major The alarm is
generated.
Major The alarm is
generated.
Critical The alarm is
generated, and
the system
shuts down.
Critical The alarm is
generated, and
the system
shuts down.
Critical The alarm is
generated, and
the system
shuts down.
Major The alarm is
generated.
Major The alarm is
generated.
Major The alarm is
generated.
Major The alarm is
generated, and
the L1/L2
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes Solution
The secondary Replace the secondary power
power supply is supply module.
faulty.
The secondary Replace the secondary power
power supply is supply module.
faulty.
1. The power grid 1. Check the power grid.
is unstable.
2. Check the phase A cable is
2. The phase A
cable is faulty.
1. The power grid 1. Check the power grid.
is unstable.
2. Check the phase B cable is
2. The phase B
cable is faulty.
1. The power grid 1. Check the power grid.
is unstable.
2. Check the phase C cable is
2. The phase C
cable is faulty.
1. The 1. Check the communications
communication
s cable is not
2. Replace the SPD
properly
connected.
3. Maintain or replace the
2. The SPD
three-phase test
board is faulty.
3. The
communication
port of the
control board is
faulty.
1. The SPD 1. Check the SPD three-phase
three-phase test
board ground
2. Replace the SPD
cable is not
properly
connected.
2. The SPD
three-phase test
board is faulty.
The SPD Replace the SPD three-phase
three-phase test test board.
board is faulty.
1. T/H sensor of 1. Maintain or replace the
cabinet is
faulty.
2. Maintain or replace the
faulty.
faulty.
faulty.
cable.
three-phase test board.
control board.
test board ground cable.
three-phase test board.
T/H sensor of cabinet.
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