Huawei NetCol5000-C Series User Manual page 119

NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
Alarm Alarm Name
ID
overfrequency
alarm
a035 Power
underfrequency
alarm
a040 PSU 1/2 power
input failure
alarm
a041 (Optional)
Condensate
pump fault
alarm
a042 Remote
shutdown
alarm
a043 Floor water
overflow alarm
a044 Smoke sensor
alarm
Issue 07 (2020-03-16)
Alarm Impact
Severity
alarm
Major Generates an
alarm
Warning Generates an
alarm
Major Generates an
alarm and shuts
down the
humidifier.
Critical Generates an
alarm and shuts
down the smart
cooling product
system.
Critical Generates an
alarm and shuts
down the smart
cooling product
system.
Critical Generates an
alarm and shuts
down the smart
cooling product
system.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
frequency exceeds the
upper threshold.
The power supply
frequency is below the
lower threshold.
The input power cables
of the PSU are loose or
damaged.
1. The water pump inlet
is blocked.
2. The cables to the
water pump are loose
or damaged.
3. The water pump is
faulty.
4. The water pump
races due to a liquid
level detection fault.
5. The water pump is
blocked.
1. The remote
shutdown dry contact is
triggered.
2. The cables to the
remote shutdown dry
contact are loose or
damaged.
1. There is water at the
detection position of
the water overflow
sensor.
2. The cables to the
water overflow sensor
are loose or damaged.
3. The water overflow
sensor is faulty.
1. Smoke is generated
in the equipment room.
2. The cables to the
smoke sensor are loose
or damaged.
3. The smoke sensor is
faulty.
Solution
supply frequency, and
ensure that it is within
the working range.
Check the power
supply frequency, and
ensure that it is within
the working range.
Check the input power
cables of the PSU.
1. Clear the blockage
from the water pump
inlet.
2. Verify that the
water pump cables are
properly connected.
3. Replace the water
pump.
4. Rectify the liquid
level detection fault.
5. Replace the water
pump.
1. Check the status of
the remote shutdown
dry contact.
2. Check the cables to
the remote shutdown
dry contact.
1. Check and clear the
water.
2. Check the cables to
the water overflow
sensor.
3. Maintain or replace
the water overflow
sensor.
1. Expel smoke from
the equipment room
and reset the smoke
sensor.
2. Check the cables to
the smoke sensor.
3. Maintain or replace
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