Huawei NetCol8000-A013 User Manual page 93

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
Alarm Alarm Name
ID
203 Comp Suction LP
Alarm
204 Comp Suction LP
Lock Alarm
Issue 02 (2020-11-09)
System Possible Causes
Action
The 1. The evaporator fins
compressor
shuts down.
2. The indoor air filter
3. The indoor fan drive
4. The low pressure
5. The low pressure
6. Refrigerant leaks.
7. The indoor unit is
8. The stop valve is
9. The connecting pipe
10.The EEV is faulty.
The The Comp Suction LP
compressor Alarm is triggered
shuts down. multiple times within a
(The alarm specified period of
needs to be time.
manually
cleared.)
Copyright © Huawei Technologies Co., Ltd.
5 System Operation and Maintenance
are dirty or blocked.
is dirty or blocked.
or indoor fan is
faulty.
sensor cable is not
properly connected.
sensor is faulty.
not properly
installed.
not fully open.
is bent.
Solution
1. Clean the
evaporator fins.
2. Maintain or replace
the indoor air filter.
3. Maintain or replace
the indoor fan drive
or indoor fan.
4. Check the cable
connections to the
low pressure sensor.
5. Maintain or replace
the low pressure
sensor.
6. Identify and repair
the leaking points,
and refill refrigerant
after maintenance.
7. Reinstall the indoor
unit.
8. Check and fully
open the stop valve.
9. Check and replace
the connecting pipe.
10.Maintain or replace
the EEV coil or EEV.
Refer to the solution to
the Comp Suction LP
Alarm.
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