Huawei NetCol8000-A Series User Manual page 178

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
Alar
m ID
a026
a027
Issue 12 (2020-10-28)
Alarm Alar Occurren
Name m ce
Sever Condition
ity s
Air Warni The
filter ng cumulativ
exceed e running
runtim period of
e air filters
(counting
from the
time
when the
NetCol800
0-A starts
or the
fans begin
to work)
is greater
than or
equal to
the alarm
threshold.
Power Warni The
loss ng power
supply is
lost
during
normal
operation.
When a
restart is
initiated,
the main
control
board
checks the
NetCol800
0-A state.
If a cold
reset is
required,
this alarm
is
generated.
If a hot
reset is
required,
this alarm
is not
generated.
Copyright © Huawei Technologies Co., Ltd.
7 System Operation and Maintenance
Possible Causes
The accumulated
runtime of the air
filters exceeds the
alarm threshold.
The supply power is
cut off.
Solutions
Maintain or
replace the air
filter and clear
the accumulated
runtime.
Check the power
supply cables.
169