Huawei NetCol5000-C Series User Manual page 161

NetCol5000-C030 In-row Chilled Water Smart Cooling
Product
User Manual (Simple Configuration)
Alarm Alarm Name
ID
a088 Route D fuse
disconnect
a090 Cond pump
1/2 exceed
runtime
a091 Cold-aisle LT
a092 Hot-aisle LT
a093 High humidity
Issue 09 (2020-01-10)
Severity System
Operation
Critical The alarm is
generated, and
the
NetCol5000-C
shuts down.
Warning The alarm is
generated.
Warning The alarm is
generated.
Warning The alarm is
generated.
Warning The alarm is
generated.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
1. A device on loop
D is faulty.
2. The loop D fuse is
loose, aged, or
disconnected.
The accumulated
runtime of the
condensate pump
exceeds the alarm
threshold.
1. The cold-aisle T/H
sensors are located
in inappropriate
position.
2. The load is low.
3. The ambient temp
is low.
4. The cold-aisle LT
alarm threshold is
inappropriate.
5. The temp
displayed is
different from the
actual temp.
6. The CW valve is
faulty if cooling
source is CW.
1. The hot-aisle T/H
sensors are located
in inappropriate
position.
2. The load is low.
3. The ambient temp
is low.
4. The hot-aisle LT
alarm threshold is
inappropriate.
5. The temp
displayed is
different from the
actual temp.
6. The CW valve is
faulty if cooling
source is CW.
1. The load is low.
2. The T/H sensors
are located in
inappropriate
Recovery Measures
1. Maintain or replace
the faulty device on
loop D.
2. Maintain or replace
the fuse.
Maintain or replace the
condensate pump and
clear the accumulated
runtime.
1. Adjust the position
of the cold-aisle T/H
sensors.
2. Please consult
Huawei technical
support.
3. Check the ambient
temp.
4. Adjust the cold-aisle
LT alarm threshold.
5. Calibrate or replace
the abnormal T/H
sensors.
6. Maintain or replace
the faulty CW valve.
1. Adjust the position
of the hot-aisle T/H
sensors.
2. Please consult
Huawei technical
support.
3. Check the ambient
temp.
4. Adjust the hot-aisle
LT alarm threshold.
5. Calibrate or replace
the abnormal T/H
sensor.
6. Maintain or replace
the faulty CW valve.
1. Please consult
Huawei technical
support.
2. Adjust the position
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