Huawei NetCol5000-C Series User Manual page 163

NetCol5000-C030 In-row Chilled Water Smart Cooling
Product
User Manual (Simple Configuration)
Alarm Alarm Name
ID
a099 Return-water
temp invalid
a101 CW valve 1/2
abnormal
feedback
a102 Indoor fan
1/2/3/4/5/6/7/8
overspeed
a103 Indoor fan
power alarm
a104 In-cabinet
water
overflow
a105 Indoor fan
failure
a106 In-cabinet
water sensor
fault
a108 Cold-aisle
1/2/3 temp
invalid
Issue 09 (2020-01-10)
Severity System
Operation
Major The alarm is
generated.
Major The alarm is
generated.
Major The alarm is
generated.
Major The alarm is
generated, and
the indoor fan
output is less
than 85%.
Critical The alarm is
generated, and
the
NetCol5000-C
shuts down.
Critical The alarm is
generated.
Major The alarm is
generated, and
the
NetCol5000-C
shuts down.
Major The alarm is
generated.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
3. The supply water
temp displayed is
different from the
actual temp.
1. The cables to the
temperature sensor
are loose or
damaged.
2. The temperature
sensor is faulty.
1. The cables to the
CW valve are
loose or damaged.
2. The CW valve is
faulty.
1. The cables to the
indoor fan are
loose or damaged.
2. The indoor fan is
faulty.
1. The power module
of the indoor fan is
faulty.
2. The cables to the
power module of
the indoor fan are
loose or damaged.
1. Water exists in the
overflow pan.
2. The cabinet
overflow sensor is
disconnected.
1. The indoor fan is
faulty.
2. The cables to the
indoor fan are
loose or damaged.
The cabinet overflow
sensor is faulty.
1. Dirt or water exists
around the T/H
sensor, which
leads to a detection
fault.
Recovery Measures
1. Check the cables to
the temperature
sensor.
2. Maintain or replace
the temperature
sensor.
1. Adjust the cables to
the CW valve.
2. Maintain or replace
the CW valve.
1. Check the cables to
the indoor fan.
2. Maintain or replace
the indoor fan.
1. Maintain or replace
the power module.
2. Check the cables to
the dry contact of
the power module.
1. Check and clear the
water.
2. Maintain or replace
the cabinet overflow
sensor.
1. Maintain or replace
the indoor fan.
2. Check the cables to
the indoor fan.
Maintain or replace the
cabinet overflow sensor.
1. Remove dirt or
water from the T/H
sensor.
2. Maintain or replace
the T/H sensor.
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