Huawei NetCol5000-A035 - Page 176

Al
ar
m
ID
Alar
m
Alar
m
Seve
rity
Defau
lt
Value
Impac
t
Possible Cause Solution
a0
23
Elect
ric
heat
er
HT
Majo
r
N/A The
alarm
is
genera
ted,
and
the
electric
heater
shuts
down
forcibl
y.
1. The temp switch
probes are
located
inappropriately.
2. The cables to the
temp switch of
the electric
heater are loose
or damaged.
3. The temp switch
is faulty.
4. The manual
reset temp
switch is not
reset.
5. The indoor fans
are faulty.
1. Adjust the
positions of the
temp switch
probes.
2. Check the
cables to the
temp switch of
the electric
reheat.
3. Maintain or
replace the
temp switch.
4. Reset the
manual reset
temp switch.
5. Maintain or
replace the
indoor fans.
a0
24
Elec
heat
er
excee
d
runti
me
Warn
ing
30000
hours
The
alarm
is
genera
ted.
The accumulated
runtime of the
electric reheat
exceeds the alarm
thres.
Maintain or
replace the electric
heater. Tap Maint
> Performance
Maint to clear the
accumulated
runtime.
a0
25
Air
lter
block
ed
Warn
ing
N/A The
alarm
is
genera
ted.
1. Air lters are
blocked.
2. The dierential
press switch is
faulty.
3. The
dierential
press switch is
set
inappropriately.
4. The press tube is
blocked or
cracked, or is
located in an
inappropriate
position.
5. The cables to the
dierential press
switch are loose
or damaged.
1. Maintain or
replace the air
lters.
2. Replace the
dierential
press switch.
3. Adjust the thres
of the
dierential
press switch.
4. Maintain or
replace the
press tube.
5. Check the
cables to the
dierential
press switch.
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. 166