Huawei NetCol8000-A013 User Manual page 93

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (800 mm Width)
Alarm Alarm Name
ID
206 Comp HP
Switch Lock
Alarm
207 Comp LP
Switch Alarm
208 Comp LP
Switch Lock
Alarm
Issue 05 (2019-12-20)
System Possible Causes
Action
is faulty.
3. The cables to the high
pressure switch are loose or
damaged.
4. The high pressure switch is
faulty.
5. The liquid solenoid valve is
faulty.
6. The refrigerant is overfilled.
7. The outdoor unit is not
properly installed.
The The Comp HP Switch Alarm is
compressor triggered multiple times within
a specified period of time.
shuts down.
(The alarm
needs to be
manually
cleared.)
1. The condenser fins are dirty
The
or blocked.
compressor
shuts down. 2. The outdoor 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. The liquid solenoid valve is
faulty.
6. Refrigerant leaks.
7. The outdoor unit is not
properly installed.
8. The EEV is faulty.
9. The stop valve is not fully
open.
10. The dryer is dirty or
blocked.
11. The selected model is
incorrect.
12. The connecting pipe is bent.
The The Comp LP Switch Alarm is
compressor triggered multiple times within
a specified period of time.
shuts down.
(The alarm
needs to be
Copyright © Huawei Technologies Co., Ltd.
5 System Operation and Maintenance
Solution
fan.
3. Check the cable connections
to the high pressure switch.
4. Maintain or replace the high
pressure switch.
5. Maintain or replace the
solenoid valve coil or
solenoid valve.
6. Decrease certain amount of
refrigerant.
7. Reinstall the outdoor unit.
Refer to the solution to the
Comp HP Switch Alarm.
1. Clean the condenser fins.
2. Maintain or replace the
outdoor fan drive or outdoor
fan.
3. Check the cable connections
to the low pressure switch.
4. Maintain or replace the low
pressure switch.
5. Maintain or replace the
solenoid valve coil or
solenoid valve.
6. Identify and repair the
leaking points, and refill
refrigerant after
maintenance.
7. Reinstall the outdoor 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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