Troubleshooting - Huawei NetCol8000-A Series User Manual

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
Alarm Alarm
ID Name
a117 Group
units
number
not match

6.3 Troubleshooting

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
Table 6-9 NetCol8000-A troubleshooting
Symptom
The NetCol8000-A
generates abnormal
voice.
A compressor does not
work.
Issue 10 (2019-01-15)
Alarm Occurrence
Severit Conditions
y
alarm
detection
delay expires
90s after a fan
startup signal
is sent.
Major N/A
Certain circuits in the NetCol8000-A have lethal voltage. Only professional technicians are
allowed to perform maintenance. Exercise caution during live-line troubleshooting.
If jumpers are used for troubleshooting, remove them after troubleshooting. Connected
jumpers may affect control functions and damage equipment.
Copyright © Huawei Technologies Co., Ltd.
Possible Causes
humidity.
1. Slave unit's Teamwork
Settings are incorrect.
2. Master unit's Teamwork
Settings are incorrect.
3. Slave unit dropped.
Possible Cause
Compressor, fans, or pipes are
loose.
The high pressure switch
reacts.
The low pressure switch reacts. Check the low pressure switch
The exhaust temperature
switch reacts.
6 System Operation and Maintenance
Solutions
1. Modify slave unit's
Teamwork Settings,
join the Teamwork
Group.
2. Modify the master
unit's Total number
of unitsaccording the
actual number.
3. Check slave unit's
Teamwork Wire
connection and
Running Condition.
Reference Solution
Check the fixing structure and
ensure that all components are
securely installed.
Check the high pressure switch
status.
status.
Check the exhaust temperature
switch status.
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