Huawei NetCol5000-A050 - Electric heater fault

Alarm
ID
Alarm Name Alar
m
Seve
rity
Possible Cause Solution
A023-0
1
Electric heater
fault
MAJ
OR
1. The cables to
the temperature
switch are loose or
damaged.
2. The
temperature
switch is faulty.
3. The electric
heater is faulty.
1. Check the cables to
the temperature switch.
2. Maintain or replace
the temperature switch.
3. Replace the electric
heater.
A025-0
1
Return air
lter blocked
alarm
WAR
NIN
G
1. Air lters are
blocked or dirty.
2. The dierential
pressure switch is
faulty.
3. An
inappropriate
threshold is set for
the
dierential
pressure switch.
4. The pressure
tube of the
dierential
pressure switch is
blocked or
disconnected.
5. The cables to
the
dierential
pressure switch
are loose or
damaged.
1. Maintain or replace
the air lters.
2. Replace the
dierential pressure
switch.
3. Adjust the threshold
set for the
dierential
pressure switch.
4. Dredge or replace
the pressure tube.
5. Check the cables to
the
dierential pressure
switch.
A027-0
1
Power loss
alarm
WAR
NIN
G
The power supply
is cut o.
1. If power failure
occurs on the power
system, no
maintenance is needed.
If it occurs in other
places, check the power
supply cables.
NetCol5000-A050 In-row Air Cooled Smart Cooling
Product
User Manual 9 Alarm Reference
Issue 08 (2021-09-17) Copyright © Huawei Technologies Co., Ltd. 191