Huawei NetCol5000-A User Manual page 183

NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm)
Alar Alarm
Alarm
m Severit
ID y
a079 Drain Major
abnorm
al
a081 Power Major
undervo
lt
Power
a082 Major
overvolt
a083 Surge Major
protecti
on
board
fault
Issue 13 (2019-01-15)
Default
Impact
Value
N/A The alarm
is
generated
.
86% The alarm
is
generated
, and the
system
shuts
down.
The alarm
114%
is
generated
, and the
system
shuts
down.
N/A The alarm
is
generated
.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
1. The cables to the float
are loose or damaged.
2. The float is faulty or
stuck.
3. The cond pump is
faulty, or the drainage
capacity decreases if
configured.
4. The drainpipe of the
cond pump is blocked if
the cond pump is
configured.
5. The internal drainpipe
or the pipeline is
blocked if no cond
pump is configured.
6. Air penetrates the water
pump pipe if the cond
pump is configured.
1. The power supply
voltage is lower than
the power undervolt
alarm thres.
2. The voltage jumper
connected to the smart
cooling product unit is
incorrect.
1. The power supply
voltage is higher than
the power overvolt
alarm thres.
2. The voltage jumper
connected to the smart
cooling product unit is
incorrect.
1. The SPD is faulty.
2. The cables to the SPD
are loose or damaged.
3. The port of the control
board is faulty.
Solution
1. Check the cables to the
float.
2. Maintain or replace the
float or clear the
obstacles.
3. Maintain or replace the
cond pump.
4. Clear the obstacles in
the drainpipe of the
cond pump.
5. Clear the internal
drainpipe.
6. Exhaust air in the
water pump pipe.
1. Check the power
supply voltage.
2. Maintain or replace the
voltage jumper.
1. Check the power
supply voltage.
2. Maintain or replace the
voltage jumper.
1. Maintain or replace the
SPD.
2. Check the cables to the
SPD.
3. Maintain or replace the
control board.
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