Alarm References - Huawei NetCol5000-C030H90D0 User Manual

NetCol5000-C(030, 032, 065) In-row Chilled Water
Smart Cooling Product
User Manual (2019)
No.
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6.2 Alarm References

Table 6-2 Alarm list
Alar
m ID
A001
Issue 03 (2020-08-30)
Operation
Use a high-precision
humidity and
temperature sensor
to calibrate the
humidity and
temperature sensors
inside and outside
the cabinet.
The heat exchanger
fins are not pushed
down.
Check that the
thermal insulation
foam on the chilled
water pipe is intact.
Check that the pipe
support is intact and
securely installed.
Check that pipes do
not leak.
Check that the smart
cooling product
drainpipe is free from
leaks and blockages.
Alarm Alarm
Name Severi
ty
Return air 1 MAJO
temperature R
sensor fault
Supply air 1
temperature
sensor fault
Supply air 2
temperature
sensor fault
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Troubleshooting
If the temperature
deviation is greater than
1°C or humidity deviation is
greater than 5%, calibrate
or replace the humidity and
temperature sensor.
Use a fin brush to organize
the fins that are pushed
down.
Rewrap the thermal
insulation foam.
Secure the base.
Close the water inlet stop
valve and repair leaks.
If the drainpipe leaks, repair
the leaks. If the drainpipe is
blocked, clear the blockage
inside the pipe.
Possible Cause
1. The cables to the
temperature sensor
are loose or
damaged.
2. The temperature
sensor is faulty.
Period Result
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Semi- □Passed
annual
□Failed
Solution
1. Check the cables to
the temperature sensor.
2. Maintain or replace
the temperature sensor.
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