Huawei NetCol5000-A035 - 6.5.3 Replacing a Compressor

Al
ar
m
ID
Alar
m
Alar
m
Seve
rity
Defau
lt
Value
Impac
t
Possible Cause Solution
a1
77
Humi
dity
invali
d
L1/L
2
interr
upt
Majo
r
N/A The
alarm
is
genera
ted.
1. All cabinet T/H
sensors are
faulty.
2. All cables to the
cabinet T/H
sensors are loose
or damaged.
3. All aisle T/H
sensors of smart
cooling products
are faulty.
4. All cables to the
aisle T/H sensors
of smart cooling
products are
loose or
damaged.
5. All DIP switches
of the T/H
sensors are set
incorrectly.
6. All
communications
ports of the
control board
are faulty.
7. The ETH
converter is
faulty.
8. The smart socket
is faulty.
1. Maintain or
replace the
cabinet T/H
sensors.
2. Maintain or
replace the
cables to the
temp sensors,
rack
environment
units, and
monitoring host
(ECC).
3. Maintain or
replace the T/H
sensors of
smart cooling
products.
4. Maintain or
replace the
cables between
the T/H sensors
and the control
board.
5. Set the DIP
switches
correctly for
T/H sensor.
6. Maintain or
replace the
control board.
7. Maintain or
replace the ETH
converter.
8. Maintain or
replace the
smart socket.
6.4 Troubleshooting
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. 198