Troubleshooting - Huawei NetCol5000-C030 User Manual

NetCol5000-C(030, 032, 065) In-row Chilled Water
Smart Cooling Product
User Manual
Alarm ID Alarm Name
A30E-01 Certificate has expired
A30E-02
A30E-04

6.3 Troubleshooting

Table 6-2 NetCol5000-C troubleshooting
Symptom
The fan does not
rotate after the
NetCol5000-C
starts.
The fan
generates loud
noises.
Water enters the
cabinet.
Issue 04 (2021-03-15)
Alarm
Severity
Warning
Possible Causes
1. The power supply
module of the fan is
faulty or abnormal
(including the fuse of
the power supply
module is blown.)
2. Cables to the fan are
faulty.
1. The air filter is
blocked.
2. Dirt exists at the fan
air exhaust vent.
3. The fan is not
securely installed.
4. The fan is faulty.
1. The thermal
insulation tube of the
NetCol5000-C is
damaged.
2. The condensate
drainpipe is blocked.
3. The pipes leak.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
● The corresponding
certificate has
expired.
● The system time is
incorrectly set.
Troubleshooting
1. Ensure that the power supply
module of the fan is inserted
to the subrack. If the fault
persists, replace the power
supply module (or replace the
fuse).
2. Check whether the cables to
the fan short-circuit or are
disconnected.
1. Clean the air filter.
2. Clear the fan air exhaust vent.
3. Fasten the fan screws.
4. Replace the fan.
1. Check whether thermal
insulation tube of the
NetCol5000-C is securely
installed and repair the
damaged thermal insulation
foam.
2. Check that the pipes of the
drainage system are not over-
bent and that the condensate
pump (optional) and the liquid
level detector are not faulty.
3. Check the pipes and weld the
pipe or fasten related bolts if
the pipes leak.
Solution
1. Apply for a new
certificate promptly
and update the
existing one.
2. Calibrate the
system time.
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