Huawei NetCol8000-A013 User Manual page 101

NetCol8000-A013 In-room Air Cooled Smart Cooling
Product
User Manual (600 mm Width)
Alarm Alarm Name
ID
209 Comp Discharge
HT Alarm
210 Comp Discharge
HT 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 outdoor fan or
its drive is faulty.
3. The discharge
sensor is faulty.
4. Refrigerant leaks.
5. The outdoor unit is
not properly
installed.
6. The EEV is faulty.
7. The stop valve is
not fully open.
8. The filter is dirty or
blocked.
9. The connecting pipe
is bent.
The Comp Discharge
HT Alarm is triggered
multiple times within a
specified period of
time.
Solution
1. Clean the condenser
fins.
2. Maintain or replace
the outdoor fan
drive or outdoor
fan.
3. Maintain or replace
the discharge
sensor.
4. Maintain or replace
the solenoid valve
coil or the solenoid
valve.
5. Identify and repair
the leaking points,
and refill refrigerant
after maintenance.
6. Reinstall the
outdoor 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 and replace
the connecting pipe.
Refer to the solution to
the Comp Discharge
HT Alarm.
94