Troubleshooting - Huawei NetCol5000-C030H90D0 User Manual

NetCol5000-C(030, 032, 065) In-row Chilled Water
Smart Cooling Product
User Manual (2019)
Alar
m ID
A30E

6.3 Troubleshooting

Table 6-3
methods.
Table 6-3 Common faults of the NetCol5000-C and handling methods
Symptom
The fan does not
rotate after the
NetCol5000-C
starts.
The fan
generates loud
noises.
Issue 03 (2020-08-30)
Alarm Alarm
Name Severi
ty
Certificate WARNI
has expired NG
describes the common faults of the NetCol5000-C and handling
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.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Cause
1. The
corresponding
certificate has
expired.
2. 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. For details.
Solution
1. Apply for a new
certificate promptly and
update the existing one.
2. Calibrate the system
time.
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