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Component
Alarm Name
Alarm
Severit
y
Possible Cause
Measures
Indoor fan
overspeed
Major
1. The cables to the
indoor fan are loose
or damaged.
2. The indoor fan is
faulty.
1. Check the cables to
the indoor fan.
2. Maintain or replace
the indoor fan.
Indoor fan failure
Critical
1. The indoor fan is
faulty.
2. The cables to the
indoor fan are loose
or damaged.
1. Maintain or replace
the indoor fan.
2. Check the cables to
the indoor fan.
Inlet solenoid fault
alarm
Major
The water inlet solenoid
valve is faulty.
Replace the water inlet
solenoid valve.
Water supply
alarm
Major
1. The water supply is
insufficient.
2. The humidifier float
has dropped and is
jammed.
3. The humidifier float
interconnection
terminals are
abnormal.
4. The water inlet
solenoid valve
cannot open.
5. Cables of the water
inlet solenoid valve
are not properly
connected.
1. Verify that water
supply to the
humidifier is normal.
2. Verify that the
humidifier float can
float and drop
properly.
3. Verify that the
humidifier float
interconnection
terminals are
properly connected.
4. Verify that water
flows into the
humidifier pan from
the water inlet pipe
of the humidifier.
5. Verify that cables of
the water inlet
solenoid valve are
properly connected.
FusionModule800 Smart Small Data Center
User Manual
6 O&M
Issue 01 (2021-02-05)
Copyright © Huawei Technologies Co., Ltd.
392