Troubleshooting - Huawei NetCol5000-C Series User Manual

NetCol5000-C030 In-row Chilled Water Smart Cooling
Product
User Manual (Simple Configuration)
Alarm Alarm Name
ID
a117 Group units
number not
match
a118 Main power
failure alarm
Figure 6-2 Fuse location

6.3 Troubleshooting

Table 6-3
Issue 09 (2020-01-10)
Severity System
Operation
setting.
Major Exit the linkage.
The system runs
according to the
single-unit logic
and does not
change the mode
setting.
Major The alarm is
generated. Shut
down the heating
and
humidification
functions.
describes the common faults of the NetCol5000-C and handling methods.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes
monitoring system
is not properly
connected.
2. The monitoring
system is
abnormal.
1. Teamwork settings
are incorrect for
slave units.
2. The number of
smart cooling
product units is
incorrectly set in
the master unit.
3. A slave unit is
power off or
offline.
1. The primary
power supply is
faulty.
2. The cables to the
primary power
supply is loose.
Recovery Measures
persists, contact
Huawei technical
support.
1. Modify teamwork
settings for slave
units to enable slave
units to join the
teamwork group.
2. Set total number of
units on the master
unit to the actual
number of units.
3. Check the cable
connection and
running conditions
of the slave units.
1. Check the primary
power supply.
2. Check the cables to
the primary power
supply.
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