Huawei NetCol5000-A - Page 149

NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
5 Operation and Maintenance
Issue 01 (2017-07-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
141
Alarm
ID
Alarm
Alarm
Severity
Impact
Possible Cause
Solution
a060
Comp
suction LP
Major
The alarm
is
generated,
and the
compresso
r shuts
down.
1. The refrigerant leaks.
2. The cables to the press
sensor are loose or
damaged.
3. The pressure sensor
displayed is different
from the actual pressure.
4. The filter dryer is
blocked.
5. The expansion valve is
blocked.
6. The indoor fans are
faulty.
7. The ambient temp is low.
1. Identify and repair the
leaking point, and refill
refrigerant after
maintenance.
2. Check the cables to the
press sensor.
3. Calibrate or replace the
pressure sensors.
4. Maintain or replace the
filter dryer.
5. Maintain or replace the
expansion valve.
6. Maintain or replace the
indoor fans.
7. Check the ambient temp.
a061
Comp
suction LP
lock
Critical
The alarm
is
generated,
and the
compresso
r is locked
and not
allowed to
be started.
The a060 comp LP alarm is
generated frequently.
Refer to the solutions for the
a060 comp LP alarm.
a062
Comp
drive
alarm
Major
The alarm
is
generated,
and the
compresso
r shuts
down.
1. The comp driver is faulty.
2. The comp is faulty.
1. Maintain or replace the
comp driver.
2. Maintain or replace the
comp.
a063
Comp
drive
comm
failed
Critical
The alarm
is
generated,
and the
compresso
r shuts
down.
1. The cables to the comp
driver are loose or
damaged.
2. The comp driver is faulty.
1. Check the cables to the
comp driver.
2. Maintain or replace the
comp driver.
a064
Comp
drive lock
Critical
The alarm
is
generated,
and the
compresso
r shuts
down.
1. The comp driver is faulty.
2. The comp is faulty.
1. Maintain or replace the
comp driver.
2. Maintain or replace the
comp.
a065
Comp
drive DC
Major
The alarm
is
1. The power supply voltage
is high.
1. Check the power supply
voltage.
2. Maintain or replace the