Huawei NetCol8000-A013 User Manual page 100

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
Alarm Alarm Name
ID
207 Comp LP Switch
Alarm
208 Comp LP Switch
Lock Alarm
Issue 04 (2022-11-25)
System
Action
The
compressor
shuts down.
The
compressor
shuts down.
(The alarm
needs to be
manually
cleared.)
Copyright © Huawei Digital Power Technologies Co., Ltd.
5 System Operation and Maintenance
Possible Causes
1. The condenser fins
are dirty or blocked.
2. The indoor fan or its
drive is faulty.
3. The cables to the
low pressure switch
are loose or
damaged.
4. The low pressure
switch is faulty.
5. Refrigerant leaks.
6. The indoor unit is
not properly
installed.
7. The EEV is faulty.
8. The stop valve is
not fully open.
9. The filter is dirty or
blocked.
10.The selected model
is incorrect.
11.The connecting pipe
is bent.
The Comp LP Switch
Alarm is triggered
multiple times within a
specified period of
time.
Solution
1. Clean the condenser
fins.
2. Maintain or replace
the indoor fan drive
or indoor fan.
3. Check the cable
connections to the
low pressure switch.
4. Maintain or replace
the low pressure
switch.
5. Identify and repair
the leaking points,
and refill refrigerant
after maintenance.
6. Reinstall the indoor
unit.
7. Maintain or replace
the EEV coil or EEV.
8. Check and fully
open the stop valve.
9. Check and replace
the filter.
10.Check that the
selected model is
correct.
11.Check and replace
the connecting pipe.
Refer to the solution to
the Comp LP Switch
Alarm.
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