Alarm Reference - Huawei NetCol5000-A021 User Manual

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Component
Water detector

6.3 Alarm reference

Table 6-5
Table 6-5 Alarm reference
Alarm Alarm Name
ID
a001 Return-air 1
temp invalid
Return-air 2
temp invalid
a002 Return-air HT
Issue 03 (2020-01-10)
Item
Check that the water detector is
securely installed.
describes alarms for the in-row air cooled smart cooling product NetCol5000-A.
Alarm Impact
Severity
Major The alarm is
generated.
Major The alarm is
generated.
Critical The alarm is
generated.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
(On the Basis of Monthly
Maintenance)
Troubleshooting
N/A
Possible Causes Solution
1. The cables to 1. Check the cables to the
the temp sensor
are loose or
2. Maintain or replace the
damaged.
2. The temp
sensor is faulty.
1. Dirt or water 1. Remove dirt or water from
exists around
the T/H sensor,
2. Maintain or replace the
which leads to a
detection fault.
2. The temp
sensor is faulty.
1. The load is high 1. Add more smart cooling
or the
refrigeration
2. Check other causes if the
capacity is
insufficient.
3. Check the ambient temp.
2. The return air
4. Adjust the return-air HT
temp is higher
than the
5. Calibrate or replace the
return-air HT
alarm threshold
during startup.
3. The ambient
temp is high.
4. The return-air
HT alarm
threshold is
inappropriate.
5. The temp
displayed is
different from
temp sensor.
temp sensor.
the T/H sensor.
temp sensor.
product units.
alarm persists after startup.
alarm threshold.
abnormal sensors.
150