Huawei NetCol5000-C Series User Manual page 155

NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
Alarm
ID
A272-02
A273-01
A278-04
A278-08
Issue 07 (2020-03-16)
Alarm Alarm
Name Severit
y
Teamwork Warnin
g
networkin
g
abnormal
alarm
Teamwork Warnin
function g
abnormal
alarm
Chilled Major
water
valve fault
Chilled Major
water
valve fault
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Impact Possible Cause
1. Teamwork
An
settings are
alarm is
incorrect for
triggere
slave units.
d, and
iCoolin 2. The number of
g is smart cooling
exited product units is
to work incorrectly set on
in the master unit.
standal
3. A slave unit is
one
offline.
mode.
1. All sensors for
An
controlling the
alarm is
indoor fan are
triggere
disabled.
d, and
the 2. All cablesto the
indoor sensors
fans forcontrolling the
exit indoor fan are
unified loose or
control damaged.
mode.
3. All sensorsfor
controlling the
indoor fan are
faulty.
1. The cables to the
An
chilled water
alarm is
valve are loose
triggere
or damaged.
d.
2. The chilled water
valve is faulty.
1. The cables to the
An
chilled water
alarm is
valve are loose
triggere
or damaged.
d.
2. The chilled water
valve is faulty.
Solution
cooling product.
1. Modify
teamwork
settings for slave
units to enable
slave units to
join the
teamwork group.
2. Set the total
number of units
on the master
unit to the actual
number of units.
3. Check the
teamwork cable
connection and
running status of
the slave units.
1. Enable the
sensors for
controlling the
indoor fan.
2. Check the cable
connections to
the sensors for
controlling the
indoor fan.
3. Maintain or
replace the
sensors for
controlling the
indoor fan.
1. Check the
feedback cable
connection to the
chilled water
valve.
2. Maintain or
replace the
chilled water
valve.
1. Check the
control cable
connection to the
chilled water
valve.
2. Maintain or
replace the
chilled water
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