Huawei NetCol8000-A013 User Manual page 98

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
ID Alarm
207 Comp LP Switch
Alarm
208 Comp LP Switch
Lock Alarm
Issue 06 (2022-11-25)
System Causes
Action
The 1. The condenser fins
compressor
shuts down.
2. The indoor fan or its
3. The cables to the
4. The low pressure
5. The liquid solenoid
6. Refrigerant leaks.
7. The indoor unit is
8. The EEV is faulty.
9. The stop valve is not
10.The filter dryer is
11.The selected model
12.The connecting pipe
The The Comp LP Switch
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.
drive is faulty.
low pressure switch
are loose or
damaged.
switch is faulty.
valve is faulty.
not properly
installed.
fully open.
dirty or blocked.
is incorrect.
is bent.
Solution
1. Clean the
evaporator fins.
2. Maintain or replace
the indoor fan drive
or indoor fan.
3. Check the cables to
the low pressure
switch.
4. Maintain or replace
the low pressure
switch.
5. Maintain or replace
the solenoid valve
coil or the solenoid
valve.
6. Identify and repair
the leaking point,
and refill refrigerant
after maintenance.
7. Reinstall the indoor
unit.
8. Maintain or replace
the EEV coil or EEV.
9. Check and fully
open the stop valve.
10.Check and replace
the dryer.
11.Check that the
selected model is
correct.
12.Check and replace
the connecting pipe.
Refer to the solution to
the Comp LP Switch
Alarm.
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