Huawei NetCol5000-A035 - 6.5.2 Replacing a Indoor Fan

Al
ar
m
ID
Alar
m
Alar
m
Seve
rity
Defau
lt
Value
Impac
t
Possible Cause Solution
a1
20
A/C
abno
rmal
L1/L
2
disco
nnect
Majo
r
N/A The
alarm
is
genera
ted.
1. Teamwork
settings are
incorrect for
slave units.
2. Teamwork
settings are
incorrect for the
master unit.
3. A slave unit is
power
o or
oine.
4. The ETH
converter is
faulty.
5. The smart socket
is faulty.
6. The cables are
faulty between
the smart
cooling product
and the smart
socket or
monitoring host.
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.
4. Maintain or
replace the ETH
converter.
5. Maintain or
replace the
smart socket.
6. Maintain or
replace the
cables between
the smart
cooling product
and the smart
socket or
monitoring
host.
NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width) 6 System Operation and Maintenance
Issue 17 (2020-10-22) Copyright © Huawei Technologies Co., Ltd. 196