Huawei NetCol5000-A050 - Page 213

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A077-4
0
Indoor fan 9
fault
MAJ
OR
1. The cable to the
fan is not
connected
properly.
2. The fan is
faulty.
1. Check the cable
connection to the fan.
2. Maintain or replace
the fan.
A077-0
1
Indoor fan 10
fault
MAJ
OR
1. The power
supply to the fan
is abnormal.
2. The cable to the
fan is not
connected
properly.
3. The fan is
faulty.
1. Check the power
supply to the fan.
2. Check the cable
connection to the fan.
3. Maintain or replace
the fan.
A077-4
0
Indoor fan 10
fault
MAJ
OR
1. The cable to the
fan is not
connected
properly.
2. The fan is
faulty.
1. Check the cable
connection to the fan.
2. Maintain or replace
the fan.
A079-0
1
Drain
abnormal
alarm
MAJ
OR
1. The drainage
lter is blocked.
2. The drainpipe is
blocked.
3. The drain pump
is faulty.
4. The low liquid
level sensor is
faulty.
1. Clear the foreign
matter in the water pan
and lter.
2. Check that the
drainpipe is not blocked
or bent.
3. Check the cables to
the drain pump, clear
the foreign matter in
the pump, or replace
the pump.
4. Check the cables to
the low liquid level
sensor, clear the
obstacles, or replace
the low liquid level
sensor.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 203