Huawei NetCol5000-A021 User Manual page 161

NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Alarm Alarm Name
ID
HT lock
a015 Comp exceed
runtime
a018 Indoor fan
1/2/3/4/5/6
exceed runtime
a023 Elec heater 1
HT
a024 Elec heater 1
exceed runtime
a025 Air filter
blocked
a026 Air filter exceed
runtime
Issue 03 (2020-01-10)
Alarm Impact
Severity
the compressor
is forcibly shut
down.
Warning The alarm is
generated.
Warning The alarm is
generated.
Major The alarm is
generated, and
the electric
heater is
forcibly shut
down.
Warning The alarm is
generated.
Warning The alarm is
generated, and
the electric
heater and
humidifier are
shut down.
Warning The alarm is
generated.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Possible Causes Solution
alarm.
alarm is generated
frequently.
NOTE
The accumulated Maintain or replace the comp
runtime of the and clear the accumulated
comp exceeds the runtime.
alarm threshold.
The accumulated Maintain or replace the indoor
runtime of the fan fan and clear the accumulated
exceeds the alarm runtime.
threshold.
1. The cables to 1. Check the cables to the
the temp switch
of the elec
heater are loose
2. Replace the elec heater.
or damaged.
3. Maintain or replace the
2. The temp
switch is faulty.
3. The indoor fans
are faulty.
The accumulated Maintain or replace the elec
runtime of the elec heater and clear the
heater exceeds the accumulated runtime.
alarm threshold.
1. Air filters are 1. Maintain or replace the air
blocked.
2. The differential 2. Replace the differential
press switch is
faulty.
3. Adjust the threshold of the
3. The differential
press switch is
4. Maintain or replace the
set
inappropriately.
5. Check the cables to the
4. The pressure
inlet tube of the
NOTE
differential
pressure switch
is blocked or
disconnected.
5. The cables to
the differential
press switch are
loose or
damaged.
The accumulated Maintain or replace the air
runtime of air filter filter and clear the
After the alarm is rectified, click
Manual clear on the alarm page.
temp switch of the elec
heater.
indoor fans.
filters.
press switch.
differential press switch.
press tube.
differential press switch.
After the alarm is rectified, click
Manual clear on the alarm page.
153