Huawei NetCol8000-A013 User Manual page 116

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
Alarm Alarm Name
ID
803 Return Air High
Humid Alarm
804 Return Air Low
Humid Alarm
805 Smoke Sensor
Alarm
Issue 04 (2022-11-25)
System
Action
--
--
The system
shuts down all
components.
Copyright © Huawei Digital Power Technologies Co., Ltd.
5 System Operation and Maintenance
Possible Causes
1. The wet load is
large.
2. The
dehumidification
function is not
started.
3. The return air high
humidity alarm
threshold is
inappropriate for
the working
conditions.
4. The humidity
displayed by the
humidity sensor is
different from the
actual humidity.
1. The unit is a
cooling-only unit.
2. The humidification
function is not
started.
3. The return air low
humidity alarm
threshold is
inappropriate for
the working
conditions.
4. The humidity
displayed by the
humidity sensor is
different from the
actual humidity.
1. There is smoke.
2. Cables to the smoke
sensor are not
properly connected.
3. The smoke sensor is
faulty.
Solution
1. Add smart cooling
products.
2. Start the
dehumidification
function.
3. Adjust the return air
high humidity alarm
threshold.
4. Calibrate or replace
the humidity sensor.
1. Replace the unit
with one that has
heating and
humidification
functions.
2. Start the
humidification
function.
3. Adjust the return air
low humidity alarm
threshold.
4. Calibrate or replace
the humidity sensor.
1. Clear smoke from
the equipment
room and reset the
smoke sensor.
2. Check the cables to
the smoke sensor.
3. Maintain or replace
the smoke sensor.
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