Huawei NetCol5000-A050 User Manual page 213

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