Huawei NetCol5000-C Series User Manual page 167

NetCol5000-C030 In-row Chilled Water Smart Cooling
Product
User Manual (Simple Configuration)
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.
Drainage capacity
of the
NetCol5000-C
decreases.
The NetCol5000-C
leaks.
Issue 09 (2020-01-10)
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. The fan fuse is blown.
3. 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 drainpipe is bent by
a large angle or trap
exists.
2. The drainage system is
faulty. (The water
pump, floats, or
drainpipes are faulty.)
3. The water pan filter or
the water pump is
blocked by foreign
matter in the water pan.
1. The thermal insulation
tube of the
NetCol5000-C is
damaged.
2. The condensate
drainpipe is blocked.
3. The pipes leak.
4. The water pan filter or
the water pump is
blocked by foreign
matter in the water pan.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
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. Replace the fan fuse.
3. 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, see
6.4.5 Replacing a Fan.
Check that self-drainpipes are not bent
by a large angle and traps do not exist.
Ensure that the height difference for
drainage is enough.
Check the water drainage system:
1. Check that the floats are working
properly.
2. Check whether fuses on circuits C
and D are blown. If yes, replace
the fuses.
3. Check whether the relay works
properly. If not, replace the relay.
4. Check whether the water pump
works properly. If not, replace the
water pump.
5. Check that the pipes are not bent
by a large angle.
Clean the water pan filter and water
pan.
1. Check whether thermal insulation
tube of the NetCol5000-C is
securely installed and repair the
damaged thermal insulation foam.
2. Ensure that the drainpipes are not
bent by a large angle, the drainpipe
connectors are securely installed,
the condensate pump is not faulty,
and the floats are not faulty.
3. Check the pipes and weld the pipe
or fasten related bolts if the pipes
leak.
4. Clean the water pan filter and
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